TY  - BOOK
AU  - R Swarup
AU  - S.N.Mishra
TI  - Environmental Water Resources Quality,Demand,Pollution :Encyclopaedia vol 12
SN  - 8170993725
U1  - 577 
PY  - 1992///
CY  - New Delhi
PB  - Mittal Publications
KW  - Encyclopaedia
ER  -