TY  - BOOK
AU  - Crawford-Brown, Douglas J
TI  - Mathematical methods of environmental risk modeling
SN  - 0-7923-7392-8
U1  - 363.7/CRA 
PY  - 2001///
CY  - Boston
PB  - Kluwer
KW  - Environmental risk assessment-Mathematical models
KW  - Social problems, welfare and services
ER  -