scientific article published in May 1981

scientific article published in August 1974

scientific article published in November 1994

scientific article published in September 1995

scientific article published in September 2014

scientific article published in April 1998

scientific article published in August 1999

scientific article published in September 1975

scientific article published in September 1999

scientific article published in August 2002

scientific article published in October 1980

article published in 1981

scientific article published in May 2003

scientific article published in May 1998

scientific article published in March 2012

scientific article published in July 1975

scientific article published in May 1986

scientific article published in May 1983

scientific article published in August 1976

scientific article published in December 2003

scientific article published in April 2010

scientific article published in August 2013

scientific article published in November 1999

scientific article published in January 2016

scientific article published in October 1984

scientific article published in July 1982

scientific article published in July 1996

scientific article published in October 2007

scientific article published in February 1999

scientific article (publication date: November 2007)

scientific article published in November 2007

scientific article published in November 2019

scientific article published in August 1984

scientific article published in January 1996

scientific article published in September 1984

scientific article published in June 1975

scientific article published in February 1982

scientific article published in February 2006

scientific article published in November 2004

scientific article published in November 2007

scientific article published in June 2003

scientific article published in February 1982

scientific article published in September 2014

scientific article published in January 2001

scientific article published in September 2012

scientific article published in August 2012

scientific article published in March 1977

scientific article published in November 2007

scientific article published in July 2018

scientific article published in May 2016

scientific article published in June 2017

scientific article published in April 2010