TY  - GEN
AU  - Sagan,Carl
AU  - Druyan,Ann
TI  - Shadows of forgotten ancestors: a search for who we are 
SN  - 0394534816 :
AV  - QH325 .S24 1992
U1  - 304.5 
PY  - 1992///
CY  - New York
PB  - Random House
KW  - Life
KW  - Origin
KW  - Evolution (Biology)
N1  - Includes bibliographical references and index
ER  -