Water pollution
Thripathi , A.K.
Water pollution - New Delhi Ashish 1990 - [ix] , 326 p. Illustration 22 p.
8170242673
ENVIRONMENTAL SCIENCES
BALANCE ECOSYSTEM
WATER POLLUTION
INDUSTRIAL WATERS AND SEWAGE
NATURAL AQUATIC ENVIRONMENT
ALGAE
363.7394 / TRI
Water pollution - New Delhi Ashish 1990 - [ix] , 326 p. Illustration 22 p.
8170242673
ENVIRONMENTAL SCIENCES
BALANCE ECOSYSTEM
WATER POLLUTION
INDUSTRIAL WATERS AND SEWAGE
NATURAL AQUATIC ENVIRONMENT
ALGAE
363.7394 / TRI