scientific article published on July 29, 2010

scientific article published on 01 January 1997

scientific article published on 01 June 1988

scientific article published in January 2005

scientific article published in October 2006

scientific article published on 01 December 1985

scientific article published on 01 December 1993

scientific article published on 01 March 2012

scientific article published in October 2011

scientific article published on 24 October 2012

scientific article published on 01 September 1999

scientific article

scientific article published in September 2005

scientific article published in September 2004

scientific article published in March 2004

scientific article

scientific article published on 01 April 1993

scientific article

scientific article