TY  - BOOK
AU  - Burnham P C ed.
ED  - Conference on Social and Ecological Systems
ED  - Conference on social and ecological systems
TI  - Social and ecological systems
U1  - 304.2 
PY  - 1979///
CY  - London
PB  - Academic Press
KW  - Effect of environment
KW  - Ethnology
KW  - Human beings
N1  - ASA monograph 18
ER  -