Gamma Ray Astronomy and the Gamma Observatory.
No Place: NASA, 1979. Unpaginated. 4to. Hardcover binder. Consists of laminated diagrams/photos and typed pages introducing the field of gamma ray astronomy, and describing the proposed NASA program. Very slightly shelfworn. First blank page detached but present. Ink offsetting to inside of front cover, possibly from type pp laid in at rear. Very Good Hardcover (Item ID: 139007)