1-50 of 181 results
scientific article published on 01 December 1981
scientific article
scientific article published on September 1, 1983
scientific article published on January 1, 1977
scientific article published on 01 January 1969
scientific article published in January 1990
scientific article
scientific article published in December 1995
scientific article published on 01 May 1969
scientific article published on 01 February 1986
scientific article published on 01 February 1986
scientific article
scientific article published on 01 January 1980
scientific article published in April 1981
scientific article
scientific article published on 01 August 1984
scientific article
scientific article published on 01 January 1983
scientific article
scientific article published in April 1993
scientific article published on 01 July 1983
scientific article
scientific article published on 01 October 1988
scientific article published on 01 January 1999
scientific article published in January 1980
scientific article published on 01 May 1999
scientific article published in December 2002
scientific article published on 01 April 1986
scientific article published on 01 January 1975
scientific article published on 01 May 1988
scientific article published on 01 January 1959
scientific article published on 01 February 1983
scientific article published in May 1987
scientific article published on 01 January 2000
scientific article published in September 2004
scientific article
scientific article published on 01 May 1986
scientific article published on 01 October 2001
scientific article published in August 1968
scientific article published in October 2007
scientific article published in January 1990
scientific article published on 01 January 1970
scientific article published on 01 October 1995
scientific article published on 01 January 1998
scientific article published on 01 June 1985
scientific article published on 01 January 1969
scientific article published on 01 August 1988
scientific article published on 01 May 1981
scientific article published on 01 February 1996
scientific article