TY  - BOOK
AU  - Waal,Frans de
TI  - Good natured: the origins of right and wrong in humans and other animals 
SN  - 0674356616
AV  - BJ1335 .W3 1996
PY  - 1996///
CY  - Cambridge, Massachusetts
PB  - Harvard University
KW  - Etica evolucionista
KW  - Animales-Hábitos y conducta
KW  - Conducta humana
KW  - Ethics, Evolutionary
KW  - Etica
N1  - Bibliografía: p. [256]-279
ER  -