scientific article published in the Astrophysical Journal

scientific article (publication date: July 1983)

scientific article published in the Astrophysical Journal

scientific article

article published in 1988

scientific article

scientific article published in the Astrophysical Journal

scientific article published on July 1954

scientific article published on 01 January 1961

scientific article published on 01 January 1979

scientific article

scientific article published in Astronomical Journal

scientific article published in Astronomical Journal

scientific article published on January 3, 2002

scientific article published in the Astrophysical Journal

scientific article published in Astronomical Journal

scientific article published in Astronomical Journal

scientific article published in Astronomical Journal

scientific article published in December 2004

scientific article

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

scientific article published in the Astrophysical Journal

scientific article published in January 1983

scientific article published in Astronomy and Astrophysics