scientific article published on 01 December 1995

scientific article published on 08 August 2006

scientific article

scientific article published in August 2003

scientific article published on February 2004

scientific article published in February 2006

scientific article published in June 2002

scientific article published on 01 November 1997

scientific article published on 28 July 2005

scientific article published on 17 June 2010

scientific article published on 01 June 1999

scientific article published on 01 June 1999

scientific article published on 01 October 2001

scientific article published on 01 August 1999

scientific article published on February 1999

scientific article published in August 2001

scientific article published on 01 January 2007

scientific article published on 01 February 1996

scientific article published on 01 February 1994

scientific article published in April 1998

scientific article published on 12 January 2006

scientific article published in June 2001

scientific article published on 01 June 1999

scientific article published on 01 February 1996

scientific article published in October 1997

scientific article

scientific article published in December 2003

scientific article published on 01 January 1992

scientific article published on 01 January 1990

scientific article published on 01 January 1993

scientific article published on 01 September 2004

scientific article

scientific article

scientific article published in April 2001

scientific article published in June 1996

scientific article published on 01 January 1995

scientific article published in July 1996

scientific article published in September 2005

scientific article published on 01 November 1997

scientific article published on 01 August 1991

scientific article published in January 2002

scientific article published in October 2003

scientific article published on 01 March 1990

scientific article published on 01 August 1996

scientific article published on 01 October 1997

scientific article published on 01 February 1999

scientific article published on 01 May 1996

scientific article

scientific article published on 01 June 2000

scientific article published on February 2000

scientific article

scientific article published in October 2000

scientific article

scientific article published on January 2001

scientific article published on 01 February 1996

scientific article published on 01 March 1997

scientific article published on 08 May 2006

scientific article published on 01 July 2000

scientific article

scientific article published on February 1, 1992

scientific article published on 01 January 1998

scientific article published on 01 May 2002