TY  - BOOK
AU  - Kaufman, William J.
TI  - Discovering the universe
SN  - 0-7167-2054
U1  - DC 520 1990
PY  - 1990///
CY  - New York
PB  - W.H. Freeman and Company
KW  - Astronomy
KW  - Cosmology
N1  - Includes appendixes, glossary and index
ER  -