Ecology and pollution of Indian rivers
Trivedy, R. K.
Ecology and pollution of Indian rivers - London ; Ashish Publishing , 1988 - xv,447p.
8170242150 350
Pollution
Water Pollution
363.7394 / TRI
Ecology and pollution of Indian rivers - London ; Ashish Publishing , 1988 - xv,447p.
8170242150 350
Pollution
Water Pollution
363.7394 / TRI