TY  - BOOK
AU  - Ridley,Matt
TI  - THE ORIGINS OF VIRTUE
SN  - 0140264450
U1  - 304.5 
PY  - 1996///
CY  - 
PB  - Penguin Books, New Delhi
KW  - Evolution (Biology)
KW  - Altruism
KW  - Ethics, Evolutionary
N1  - Includes Bibliographical References And Index
ER  -