TY  - BOOK
AU  - Kenneth E F Watt
TI  - Systems analysis in ecology
U1  - 574.5 
PY  - 1966///
CY  - New York
PB  - Academic Press
N1  - Kenneth E F Watt: Systems analysis in ecology.  New York.  Academic Press, 1966.--(574.5WAT)
ER  -