scientific article published in 1997

scientific article published in January 2002

scholarly article

scientific article

scientific article published in January 2010

scholarly article

scholarly article

scientific article published on 7 September 2012

scientific article published in January 2015

scholarly article

scientific article published in March 2021

scientific article

scientific article published in January 1990

scientific article published in January 1985

scientific article published in January 1990

scholarly article by Boris Shustov et al published 17 June 2011 in Astrophysics and Space Science

scholarly article published 2011

scientific article

scientific article published in January 2011

scientific article published in January 2000

scientific article published in January 2009

scientific article published on 14 June 2006

scientific article published in January 2008

scientific article published in January 2012

scientific article published in January 2008

article

scientific article published in January 1985

scholarly article

scholarly article

scholarly article

scientific article published in January 1989

scientific article published in January 2008

scientific article published in January 1999

scientific article

scientific article

scientific article

scientific article published in 2010

scientific article

scientific article published in January 2011

scientific article published in January 1981

scientific article published in January 2000

scientific article published on 20 November 2017

scientific article published on 9 April 2011

scholarly article

scientific article published on 30 May 2008

scientific article published in 2009

scientific article published on 8 June 2011