TY  - BOOK
AU  - Hill, Marquita K
TI  - Understanding environmental pollution
SN  - 0-521-56210-4
U1  - 363.73/HIL 
PY  - 1997///
CY  - Cambridge
PB  - Cambridge Uni Pr
KW  - Pollutants
KW  - Pollution
KW  - Social problems, welfare and services
ER  -