TY  - BOOK
ED  - Environmental control and public heaalth course team.
TI  - Environmental control and public health: introduction
SN  - 0749261692 (pbk.)
PY  - 1992///
CY  - England
PB  - Open university, 
KW  - Unit 2
KW  - biology
KW  - Unit 1
KW  - pollutants and pollution control
ER  -