TY  - BOOK
AU  - Watson,Richard A.
AU  - Watson,Patty Jo
TI  - Man and nature: an anthropological essay in human ecology 
PY  - 1969///]
CY  - New York
PB  - Harcourt, Brace & World
KW  - Human ecology
KW  - Ecología humana
N1  - Bibliography: p. 163-172
ER  -