TY  - BOOK
AU  - Abell,George O.
TI  - Exploration of the universe
SN  - 0030585023
AV  - QB45 .A16 1982
PY  - 1982///
CY  - Philadelphia
PB  - Saunders College Pub.
KW  - Astronomy
N1  - Includes index
ER  -