TY  - BOOK
AU  - Butrica, Andrew J.
CN  - QB602.9
CN  - QB602.9
CY  - Washington, D.C. :
DA  - 1996.
ID  - 178455
KW  - Planetary science
KW  - Planets
KW  - Radar in astronomy.
N1  - Shipping list no.: 96-0060-S.
PB  - National Aeronautics and Space Administration, NASA History Office :
PB  - For sale by the U.S. G.P.O., Supt. of Docs.,
PP  - Washington, D.C. :
PY  - 1996.
SN  - 0160485789
T1  - To see the unseen :a history of planetary radar astronomy /
TI  - To see the unseen :a history of planetary radar astronomy /
VL  - 4218
ER  -