Acquisition Source
Goddard Space Flight Center
Document Type
Reprint (Version printed in journal)
Authors
Donn, Bertram (NASA Goddard Space Flight Center Greenbelt, MD, United States) Date Acquired
December 14, 2015
Publication Date
September 1, 1960
Publication Information
Publication: The Astrophysical Journal
Volume: 132
Issue: 2
Distribution Limits
Public