scientific article published in January 1991

scientific article published in 1996

scientific article published in the Astrophysical Journal

scientific article published in the Astrophysical Journal

scientific article published in the Astrophysical Journal

scientific article published in the Astrophysical Journal

scientific article

scientific article published in January 1991

scientific article published in January 1994

scientific article published in January 2006

scientific article published in January 1996

scientific article published in January 1995

scientific article published in January 1994

scientific article published in the Astrophysical Journal

scientific article published in January 1993

scientific article published in January 1997

scientific article published in January 1997

scientific article published on 20 July 1997

scientific article published in 1997

scientific article published in January 1998

scientific article published in January 1993

scientific article

scientific article (publication date: 7 August 2009)

scientific article published in Astronomy and Astrophysics

scientific article

scholarly article

scientific article published in January 1993

scholarly article by R.D. Gehrz et al published September 2011 in Advances in Space Research

scientific article published in January 1996

scientific article published on 13 December 2020

scientific article published in January 1994

scientific article published in January 1991

article

scholarly article published in 'Proceedings of SPIE' in June 2000

scholarly article

article

scientific article published in 1999

scholarly article

scholarly article

scholarly article

article