14 DEC 2011 by ideonexus

 Scientific American

Books, Brochures, and Chapters>Book:  John N. , Bahcall and inc , Scientific American, (July 1977), Scientific American, Retrieved on 2011-12-14
  • Source Material [books.google.com]
    • Folksonomies: science
    Folksonomies: science
     1  
    14 DEC 2011 by ideonexus

     Sky and telescope

    Books, Brochures, and Chapters>Book:  Observatory , Harvard College and John N. , Bahcall (1963), Sky and telescope, Retrieved on 2011-12-14
  • Source Material [books.google.com]
    • Folksonomies: science
    Folksonomies: science
     1