TY  - BOOK
AU  - Sagan,Carl
TI  - Billions and billions: thoughts on life and death at the brink of the millennium 
SN  - 0679411607
AV  - Q173 .S24 1997
U1  - 500 21
PY  - 1997///
CY  - New York
PB  - Random House
KW  - Science
KW  - Miscellanea
KW  - Popular works
N1  - Includes bibliographical references (p. [231]-234) and index
ER  -