Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
O'Dell, C. R. (NASA Marshall Space Flight Center Huntsville, Ala., United States) Date Acquired
August 7, 2013
Publication Date
December 1, 1972
Publication Information
Publication: Sky and Telescope
Volume: 44
Accession Number
73A13550
Distribution Limits
Public