scientific article

scientific article published on 01 August 1981

scientific article published on 01 April 1968

scientific article published on 01 May 1982

scientific article published on 01 July 1966

scientific article published on 01 June 1981

scientific article published on 01 August 1968

scientific article published on December 1986

scientific article published in September 1969

scientific article published on 01 January 2000

scientific article published on 01 January 1985

scientific article published on 01 January 1986

scientific article published on 01 May 1982

scientific article published on August 1986

scientific article published on 01 November 1984

scientific article

scientific article

scientific article published in September 1967

scientific article published on 01 January 1968

scientific article published on March 1, 1984

scientific article published in January 2007

scientific article published on 01 November 1963

scientific article published in June 1980

scientific article published on 01 October 1985