U.S. Atomic Energy Commission depository collection.
Note
DOE contract number: AT(30-2)-GEN-16 NSA number: NSA-18-035714 OSTI Identifier 4037255 Research organization: and Smithsonian Astrophysical Observatotry, Cambridge, Mass. Brookhaven National Lab., Upton, N.Y. Research organization: Brookhaven National Lab., Upton, N.Y.