scientific article published on January 1, 1985

scientific article

scientific article published on January 1982

scientific article published on 01 January 1987

scientific article published on January 1, 1988

scientific article published on 4 February 2009

scientific article published on 01 August 1980

scientific article published in April 1985

scientific article published in 1980

scientific article published on April 1999

scientific article published on October 11, 2013

scientific article

scientific article

scientific article published in 1985

scientific article published in 2002

scientific article published in 1988

scientific article published in 1985

scientific article published on 01 July 2001

scientific article published in 1985

scientific article published in 1979