TY  - BOOK
AU  - DR M KOVACS
TI  - POLLUTION CONTROL AND CONSERVATION
SN  - 085312213X
U1  - R628.5K849P 
PY  - 1900///
CY  - NEWYORK
PB  - JOHN WILLEY &SONS
KW  - POLLUTION CONTROL AND CONSERVATION
N1  - MODERN BOOK HOUSE
ER  -