Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Kuiper, G. P. (Arizona, University Tucson, Ariz., United States) Date Acquired
August 6, 2013
Publication Date
February 1, 1972
Publication Information
Publication: Sky and Telescope
Volume: 43
Accession Number
72A18331
Distribution Limits
Public