TY  - BOOK
CN  - NAS 1.83:
CY  - [Washington, D.C.?] :
DA  - 1990?]
ID  - 179275
KW  - Gamma ray astronomy.
KW  - Space astronomy.
KW  - Gamma rays.
KW  - Scientific satellites.
N1  - Cover title.
N1  - Shipping list no.: 90-093-P.
PB  - National Aeronautics and Space             Administration :
PB  - [Supt. of Docs., U.S. G.P.O., distributor,
PP  - [Washington, D.C.?] :
PY  - 1990?]
T1  - The Gamma-Ray Observatory.
TI  - The Gamma-Ray Observatory.
VL  - 124
ER  -