TY  - BOOK
AU  - Abell, George
TI  - Explotation of the Universe
SN  - 0030759552
AV  - QB 45 .A24 1969 
PY  - 1969///
CY  - New York
PB  - Holt, Reinhart and Winston
KW  - Astronomy
N1  - Includes bibliographical references and index
ER  -