TY  - BOOK
AU  - Watt, Kenneth E. F.
TI  - Ecology and resource management: : a quantitative approach
T2  - Series in population biology
U1  - 574.5 
PY  - 1968///
CY  - New York
PB  - McGraw-Hill
KW  - Ecología
KW  - Recursos naturales
KW  - Conservación
ER  -