TY  - BOOK
AU  - Ehrlich, Paul R.
TI  - Human Natures
SN  - 1-55963-779-X
PY  - 2000///
CY  - USA
PB  - Island Press
KW  - 1. Human evolution. 2. Social evolution. 3. Human behavior.
N1  - Cultures and the human Prospect
ER  -