TY  - BOOK
AU  - Sagan,Carl
TI  - Cosmos
SN  - 0345331354 (hbk.)
U1  - 520 
PY  - 1980///
CY  - New York
PB  - Ballantine Books
KW  - Astronomy
KW  - Popular works
N1  - Includes bibliographical references (p. 295-304) and index
ER  -