TY  - BOOK
AU  - Abell,George
TI  - Exploration of the universe
U1  - 520.5/A141e 
PY  - 1964///, 1969
CY  - N.Y., Chicago
PB  - Holt, Rinehart and Winston
KW  - Geology
KW  - Universe
N1  - Appendices and index at the end
ER  -