TY  - BOOK
AU  - Cushing J M
TI  - Integrodifferential equations and delay nodels in population dynamics
T2  - Lecture notes in biomathematics; 20
U1  - G:5:(B), L7 
PY  - 1977///
CY  - Berlin
PB  - Springer-Verlag         
KW  - Ecology
ER  -