TY  - BOOK
AU  - R. Swarup
AU  -  S.N. Mishra  V.P. Jauhari
TI  - Encyclopaedia of ecology, environment and pollution control. Vol12, Environmental water resources quality, demand, pol
SN  - 81-7099-372-5
U1  - 363.7303 
PY  - 1992///
CY  - New Delhi
PB  - Mittal Publications
N1  - R. Swarup; S.N. Mishra & V.P. Jauhari: Encyclopaedia of ecology, environment and pollution control. Vol12, Environmental water resources quality, demand, pollution.  New Delhi.  Mittal Publications, 1992. 81-7099-372-5--(363.7303SWA)
ER  -