Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Young, L. G. (California Institute of Technology, Jet Propulsion Laboratory, Pasadena Calif., United States) Date Acquired
August 6, 2013
Publication Date
March 1, 1972
Publication Information
Publication: Sky and Telescope
Volume: 43
Accession Number
72A20993
Distribution Limits
Public