Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Margon, B. (California, University Los Angeles, Calif., United States) Petro, L. D. (Hale Observatories Pasadena, Calif., United States) Katz, J. I. (California Univ. Los Angeles, CA, United States) Date Acquired
August 9, 2013
Publication Date
February 15, 1978
Publication Information
Publication: Nature
Volume: 271
Accession Number
78A25552
Distribution Limits
Public