TY  - GEN
AU  - Jeffries, C.
TI  - Mathematical Modeling in Ecology: A Workbook for Student
SN  - 817634215
U1  - 574.5072 
PY  - 1989///
CY  - USA
PB  - Birkhauser
KW  - Dynamical Systems as Models, Introduction to Ecosystem
ER  -