scientific article published in the Astrophysical Journal

scientific article published on October 14, 2010

scientific article published in April 1982

scientific article published in Nature

scientific article published in December 1992

scientific article (publication date: March 1976)

scientific article

scientific article published on 01 September 1982

scientific article published in the Astrophysical Journal

scientific article

scientific article published on 01 May 1985

scientific article

scientific article published in Nature

scientific article published in the Astrophysical Journal

scientific article

scientific article