scientific article published on March 22, 1976

scientific article published on October 1, 1981

scientific article published in March 1981

scientific article published in August 2009

scientific article published on October 4, 1976

scientific article

scientific article published in April 1981

scientific article published on January 5, 1976

scientific article

scientific article published in February 2001

scientific article published on April 13, 1979

scientific article published on February 20, 1978

scientific article published on February 2, 1979

scientific article published in August 1981

scientific article published on July 2011

scientific article

scientific article published in August 1985

scientific article published on July 20, 1979

scientific article published on March 22, 1976

scientific article

scientific article published in November 1985

scientific article published on May 4, 1979

scientific article published in May 1982

scientific article published on November 17, 1975

scientific article published in August 1982

scientific article published in June 1981

scientific article

scientific article published in September 1982

scientific article published on March 2012

scientific article published in July 1982

scientific article published on December 16, 1974

scientific article published on March 20, 1978

scientific article

scientific article published on March 8, 1976

scientific article published on August 1, 1997

scientific article published in March 1996

scientific article published in May 1980

scientific article

scientific article

scientific article published on October 1, 1998

scientific article published in November 1993

scientific article published in June 1980

scientific article published in August 1982

scientific article

scientific article published in September 1989

scientific article published in April 1991

scientific article published in November 1988

scientific article published on December 22, 1978

scientific article

scientific article published in July 1982

scientific article

scientific article published in November 1980

scientific article

scientific article published on January 19, 1979

scientific article published in March 1989

scientific article published on April 1, 1983

scientific article published on June 30, 1978

scientific article

scientific article published on December 20, 1976

scientific article published in May 1995

scientific article

scientific article published in December 1981

scientific article published in September 2003

scientific article published in April 1989

scientific article published on December 1, 1997

scientific article published in November 1974

scientific article

scientific article published in November 1989

scientific article published on January 1, 2011

scientific article published on December 1978

scientific article published in August 1999

scientific article published on March 7, 1977

scientific article published on October 9, 1972

scientific article published on March 6, 1978

scientific article

scientific article published in October 2014

scientific article published in May 1988

scientific article published in February 1981

scientific article published in August 1983

scientific article

scientific article published on November 17, 1978

scientific article published on November 2, 1979

scientific article published in January 1973

scientific article published on December 3, 1973

scientific article

scientific article published in July 1994

scientific article

scientific article published in April 2005

scientific article published in September 1982

scientific article published in January 1994

scientific article

scientific article published in December 2004

scientific article

scientific article

scientific article published in January 1986

scientific article published in May 1982

scientific article

scientific article published in June 1987

scientific article published on March 25, 1983

scientific article published in February 1982

scientific article published in October 1980

scientific article published on July 1980

scientific article published on September 29, 1975

scientific article published on August 2, 1976

scientific article published in May 1981

scientific article

scientific article published in June 1991

scientific article published in October 1999

scientific article published on October 1982

scientific article

scientific article

scientific article

scientific article published in February 1996

scientific article published on February 11, 1974

scientific article published on June 24, 1983

scientific article published in January 2007

scientific article published on March 9, 1979

scientific article

scientific article published in December 1986

scientific article published in May 2002

scientific article published in June 2005

scientific article published in February 1993

scientific article published on May 11, 1984

scientific article published in January 1980

scientific article published on April 1, 1992

scientific article

scientific article published on August 18, 1975

scientific article published in June 2000

scientific article published in January 1981

scientific article published on September 20, 1976

scientific article published in February 1987

scientific article published in November 1987

scientific article published in October 1985

scientific article published on June 6, 1977

scientific article published on September 1, 1998

scientific article published in June 1974

scientific article

scientific article published on July 2010

scientific article published in June 1997

scientific article published in February 1986

scientific article published on February 9, 1979

scientific article published in May 1986

scientific article published in January 2013

scientific article published in July 2016

scientific article published on October 19, 1979

scientific article published on February 14, 1977

scientific article published in April 1982

scientific article published in January 1981

scientific article published on September 13, 1976

scientific article

scientific article published in November 1996

scientific article published on September 1, 1978

scientific article published in October 2015

scientific article published on April 5, 1976

scientific article published on May 16, 1977

scientific article

scientific article published on February 1997

scientific article published in March 1987

scientific article published on June 1, 1998

scientific article published in June 1990

scientific article

scientific article published on August 11, 1978

scientific article published in October 1986

scientific article published in May 1980

scientific article published on January 28, 1983

scientific article published in October 2004

scientific article published in April 1982

scientific article published in July 1988

scientific article published in October 1989

scientific article

scientific article published in January 1981

scientific article published on February 5, 1973

scientific article

scientific article published on April 26, 1976

scientific article published in March 2002

scientific article (publication date: June 2011)

scientific article published in May 2005

scientific article published in September 1986

scientific article published in December 2015

scientific article published in March 1980

scientific article published in April 1980

scientific article published in February 1981

scientific article published in January 2000

scientific article published on October 21, 1983

scientific article published in April 1982

scientific article published on September 14, 1979

scientific article published in October 1982

scientific article

scientific article

scientific article published on May 6, 1983

scientific article

scientific article

scientific article (publication date: November 2002)

scientific article published on October 28, 1983

scientific article published on April 20, 1979

scientific article published on November 3, 1975

scientific article

scientific article published in June 1988

scientific article

scientific article published in October 1996

scientific article published in March 1981

scientific article published on November 29, 1976

scientific article published in June 1982

scientific article published on February 1, 2013

scientific article published in September 1982

scientific article published on March 5, 1973

scientific article published in October 1982

scientific article

scientific article published on May 4, 1979

scientific article published in August 1982

scientific article published on December 2011

scientific article published in May 1999

scientific article published in June 1996

scientific article published in March 2006

scientific article published in March 1992

scientific article published in June 2001

scientific article published in January 1993

scientific article published on September 29, 1978

scientific article published in February 1983

scientific article published in April 2001

scientific article published on October 19, 1979

scientific article published in July 1986

scientific article published on April 8, 1983

scientific article published in December 1988

scientific article published on January 1, 1998

scientific article published in January 2003

scientific article

scientific article published in September 1992

scientific article published in December 1980

scientific article published on December 8, 1975

scientific article published in February 1982

scientific article published in March 1999

scientific article published on March 16, 1979

scientific article

scientific article published in September 1981

scientific article published in April 2013

scientific article published in June 2015

scientific article published in September 1984

scientific article

scientific article published in April 1982

scientific article published in October 1987

scientific article published in May 2013

scientific article published on May 4, 1984

scientific article published in February 1974

scientific article

scientific article

scientific article published in April 1999

scientific article published on April 1, 2011

scientific article published on November 1, 1997

scientific article published in December 2002

scientific article published in September 2016

scientific article

scientific article published on May 18, 1984

scientific article published in April 1988

scientific article published in November 2013

scientific article published in August 1982

scientific article published in July 1996

scientific article published in September 1984

scientific article published on December 23, 1983

scientific article

scientific article published on February 24, 1975

scientific article published in October 2002

scientific article published on August 24, 1979

scientific article published in August 1981

scientific article published on April 22, 1983

scientific article published in December 1989

scientific article published in July 1984

scientific article published in February 1988

scientific article published in June 2013

scientific article published in September 1982

scientific article published in November 1981

scientific article published on August 4, 1975

scientific article

scientific article published on February 17, 1975

scientific article published on September 1988

scientific article published on August 8, 1977

scientific article

scientific article

scientific article published on May 20, 1983

scientific article

scientific article published in June 1986

scientific article published in March 1997

scientific article

scientific article published on February 16, 1976

scientific article

scientific article published in July 2013

scientific article published in July 2004

scientific article published on October 27, 1978

scientific article published in March 1991

scientific article published on December 20, 1976

scientific article

scientific article published in October 1974

scientific article published in June 1974

scientific article published on March 19, 1973

scientific article published on November 23, 1979

scientific article published in March 2001

scientific article published in May 2001

scientific article published on March 14, 1977

scientific article

scientific article published on October 6, 1978

scientific article published in September 1982

scientific article published in March 1984

scientific article published in January 1984

scientific article published in November 1980

scientific article published on June 14, 1976

scientific article published on April 13, 1979

scientific article published on November 3, 1978

scientific article

scientific article

scientific article published in November 1986

scientific article

scientific article published in August 2001

scientific article

scientific article

scientific article published on August 1, 1998

scientific article published on April 18, 1977

scientific article published on May 11, 1979

scientific article published in September 1982

scientific article published in April 1982

scientific article published in October 1981

scientific article published in October 1981

scientific article

scientific article

scientific article published in September 1993

scientific article published on August 25, 1975

scientific article published in August 1982

scientific article published in June 1982

scientific article published in June 2002

scientific article published on December 1, 1991

scientific article published on May 13, 1974

scientific article published on October 13, 1978

scientific article published in May 1982

scientific article published in April 1980

scientific article published in March 1988

scientific article published on March 4, 1983

scientific article published on March 1, 1998

scientific article published on March 12, 1973

scientific article published in March 1981

scientific article published on February 23, 1976

scientific article published in May 1982

scientific article published in December 1999

scientific article published on March 18, 1983

scientific article published in November 1980

scientific article published on March 11, 1983

scientific article published on May 25, 1984

scientific article

scientific article published in August 2015

scientific article published in November 1980

scientific article published in August 1981

scientific article published on June 2003

scientific article published in September 1981

scientific article published on November 1, 1991

scientific article published on January 1, 1992

scientific article published in January 1991

scientific article published on July 1, 1992

scientific article

scientific article published on December 1, 1992

scientific article published in May 1991

scientific article published on February 1, 1992

scientific article published on October 1, 1992

scientific article published on August 1, 1992

scientific article published in May 1993

scientific article published in September 1991

scientific article

scientific article published in September 1994

scientific article

scientific article published in September 1990

scientific article

scientific article

scientific article

scientific article

scientific article published in December 1981

scientific article published in October 2013

scientific article

scientific article published in August 1986

scientific article published in February 1982

scientific article published in October 1982

scientific article published in June 1982

scientific article published in February 1989

scientific article

scientific article published on July 1, 2012

scientific article published in January 1989

scientific article published on June 22, 1979

scientific article

scientific article published in September 1975

scientific article published in April 1993

scientific article

scientific article published on May 27, 1983

scientific article

scientific article

scientific article

scientific article published on January 13, 1984

scientific article published in June 1980

scientific article published in April 1987

scientific article published in February 2015

scientific article published in June 1981

scientific article published in January 1988

scientific article published on February 2, 1979

scientific article

scientific article

scientific article published on July 1, 1983

scientific article published in August 1984

scientific article published on November 1, 2003

scientific article published on November 2011

scientific article published in October 1988

scientific article

scientific article published in October 1982

scientific article published in November 1980

scientific article

scientific article published on July 1987

scientific article published in April 2003

scientific article published in December 1980

scientific article published on November 23, 1979

scientific article published on July 1980

scientific article published in December 1983

scientific article published on November 1, 2001

scientific article

scientific article published in September 1996

scientific article published in February 1982

scientific article

scientific article published on June 8, 1979

scientific article published on October 20, 1975

scientific article published on May 19, 1975

scientific article published on May 2, 1977

scientific article published in January 1997

scientific article published in March 1980

scientific article published on December 18, 1972

scientific article

scientific article

scientific article published in May 1982

scientific article

scientific article

scientific article published in September 1981

scientific article published on December 22, 1975

scientific article published in December 1981

scientific article published on December 2012

scientific article

scientific article

scientific article published on October 20, 1978

scientific article published in August 1984

scientific article published in January 1982

scientific article published in May 1980

scientific article published in October 2001

scientific article published in September 2004

scientific article published on July 1, 1998

scientific article published on June 10, 1983

scientific article published in April 1994

scientific article published in April 1995

scientific article

scientific article

scientific article published in March 1980

scientific article published in November 1981

scientific article published on May 16, 1977

scientific article published in February 1991

scientific article published in June 1980

scientific article published in October 1991

scientific article published in January 2001

scientific article published in February 1999

scientific article

scientific article published on January 10, 1977

scientific article

scientific article published in March 1994

scientific article published in October 1993

scientific article published in March 1993

scientific article published on September 2012

scientific article published in April 1980

scientific article published on October 2005

scientific article published in August 1982

scientific article published on March 16, 1979

scientific article published in October 1972

scientific article published in September 1980

scientific article published in February 1995

scientific article published in May 1994

scientific article published on December 1979

scientific article published in March 1980

scientific article published in June 1982

scientific article published in February 1982

scientific article published on November 4, 1983

scientific article published in February 1984

scientific article published on March 1, 1976

scientific article published on April 27, 1984

scientific article published in August 1989

scientific article published in October 1997

scientific article

scientific article published in December 2001

scientific article

scientific article published in April 2004

scientific article published on 30 October 2014

scientific article

scientific article

scientific article published in August 2010

scientific article published in September 2013

scientific article

scientific article

scientific article

scientific article published on August 1, 1988

scientific article published on September 1, 1988

scientific article

scientific article published in November 1988

scientific article

scientific article published in April 1981

scientific article published in January 1981

scientific article published on November 1, 1981

scientific article published on December 1, 1981

scientific article published in February 1981

scientific article published in May 1981

scientific article published in June 1981

scientific article published in July 1981

scientific article published on August 1, 1981

scientific article published on September 1, 1981

scientific article

scientific article published on July 30, 1973

scientific article published on May 1, 1998

scientific article published on February 2011

scientific article published on July 7, 1975

scientific article published in August 2013

scientific article published in August 2014

scientific article published on August 1994

scientific article

scientific article published in January 2005

scientific article published on August 1, 1995

scientific article published in March 1982

scientific article

scientific article published in November 2000

scientific article published in January 2000

scientific article published in March 1982

scientific article published in January 1980

scientific article published on September 1, 1997

scientific article published in September 1999

scientific article published in May 1980

scientific article published in July 1984

scientific article

scientific article published in January 1981

scientific article

scientific article published in July 1997

scientific article

scientific article published on September 7, 1979

scientific article published on September 21, 1979

scientific article published on April 15, 1983

scientific article published in May 1982

scientific article published in October 1981

scientific article published on February 19, 1973

scientific article published in September 1982

scientific article published in July 1989

scientific article

scientific article published on October 1, 2010

scientific article published on May 1, 2003

scientific article published on February 2002

scientific article

scientific article

scientific article published in December 1981

scientific article published in February 2014

scientific article published on June 1, 1992

scientific article published on April 1, 1998

scientific article

scientific article published in October 1994

scientific article published on June 3, 1983

scientific article published on September 1978

scientific article published on August 25, 1978

scientific article published in June 2006

scientific article published in August 1974

scientific article published on October 14, 1983

scientific article

scientific article published on June 2012

scientific article published in July 1982

scientific article

scientific article published in September 1982

scientific article published in November 1992

scientific article published on August 1, 1991

scientific article published in May 1989

scientific article

scientific article published on October 13, 1975

scientific article published on May 2010