TY  - BOOK
AU  - Watt, Kenneth E. F.,
TI  - Systems analysis in ecology
U1  - 574.5018 WAT 
PY  - 1966///
CY  - New York
PB  - Academic Press
KW  - Ecology
KW  - Mathematical models
KW  - Biomathematics
N1  - Includes bibliographiical references
ER  -