TY  - BOOK
AU  - Brauer,F & Castillo-Chavez,C
ED  - Castillo-Chavez, C
TI  - Mathematical models in population biology & epidemiology
T2  - Texts in applied mathematics 40
SN  - 0-387-98902-1
U1  - 14.05+14.06 
PY  - 2001///
CY  - New York
PB  - Springer 
ER  -