Gamma ray astrophysics
By: F. W. Stecker.
Series: Technical memorandum / U.S.  National Aeronautics and Space Administration -- X-70759; Preprint / Goddard Space Flight Center -- X-602-74-272
Publisher: Goddard Space Flight Center
Published: 1974
Place of publication: Greenbelt, Md
Language: eng
Notes: Photocopy.