TY  - BOOK
AU  - Stecker, Floyd William.
ED  - United States, Goddard Space Flight Centre.
TI  - Cosmic gamma rays
U1  - 539.722 
PY  - 1971///
CY  - Washington D C
PB  - National Aeronautics and Space Administration
KW  - Cosmic rays
KW  - Photon astronomy
KW  - Interstellar radiation
N1  - Includes bibliographical references
ER  -