TY  - BOOK
AU  - Kaufmann,William J.
TI  - Exploration of the solar system
SN  - 0023621400
AV  - QB501 .K38
U1  - 523.2 
PY  - 1978///
CY  - New York
PB  - Macmillan
KW  - Solar system
N1  - Includes index
ER  -