scientific article published on 01 June 1985

scientific article

scientific article

scientific article published on 01 May 1993

scientific article published on 01 January 1991

scientific article published on April 1993

scientific article published on 01 January 1999

scientific article published on 01 January 1991

scientific article published on 01 April 1987

scientific article published on July 1, 1992

scientific article published on September 1996

scientific article published in September 1985

scientific article published on May 1991

scientific article published on 01 January 1997

scientific article published on January 1, 1979

scientific article published on 01 January 1983

scientific article published on 01 January 1980

scientific article published on February 1, 1998

scientific article published on 01 April 1992

scientific article published on 01 September 1985

scientific article published on 01 January 1988

scientific article published on October 1, 1991

scientific article published on 01 January 1994

scientific article published on 01 January 1987

scientific article published on 01 March 1984

scientific article published on 01 September 1988

scientific article published on 01 January 1988

scientific article published on February 1, 1993

scientific article published on 01 January 1987

scientific article published on 01 July 1989

scientific article published on 01 September 1991

scientific article published on 01 July 1994

scientific article published on 01 June 1999

scientific article published on July 1984

scientific article published on March 1991

scientific article published on 01 September 1990

scientific article published on 01 April 1984

scientific article published on 01 January 1992

scientific article published on 01 November 1993

scientific article published in 1996

scientific article published in May 1993

scientific article published on 01 January 1982

scientific article published on 01 October 1984

scientific article