scientific article published in October 2004

scientific article published in November 1998

scientific article published in April 2009

scientific article published in March 2005

scientific article published in February 2006

scientific article published in December 1994

scientific article published in February 2003

scientific article published in December 2012

scientific article published in January 1999

scientific article published in December 1997

scientific article published in September 1995

scientific article published in January 2019

scientific article published in February 1998

scientific article published in September 2004

scientific article published in April 2002

article

scientific article published in October 2009

scientific article published in March 2002

scientific article published in January 2014

scientific article published in December 1998

scientific article published in September 2015

scientific article published in April 2009

scientific article published in November 2012

scientific article published in December 2012

scientific article published in January 1999

scientific article published in February 2017

scientific article published in January 2015

article

scientific article published in January 2015

scholarly article published August 2000