TY  - BOOK
AU  - Kov acs,Margit
AU  - Waldmeyer,T.
TI  - Pollution control and conservation
SN  - 047027509X (Halsted Press : lib. bdg.) :
AV  - TD172 .P654 1985
U1  - 363.7/3�19 
PY  - 1985///
CY  - Chichester, West Sussex
PB  - E. Horwood
KW  - Pollution
ER  -