TY  - BOOK
AU  - Kaufmann William J
AU  -  Comins Neil F
TI  - Discovering the universe
SN  - 0716726467 (pbk)
U1  - B9, N6 
PY  - 1996///
CY  - New York    
PB  -  W H Freeman and Company    
KW  - Astronomy
N1  - Bibliographical references 401-406p
ER  -