TY  - BOOK
AU  - Halfon, Efraim
TI  - Theoretical Systems Ecology: Advances and Caste Studies
SN  - 0123187508
U1  - 574.5 
PY  - 1979///
CY  - New York
PB  - Academic Press
KW  - Life sciences
KW  - Pure Sciences
KW  - Ecology
KW  - Mathematical models
ER  -