Water pollution /
Tripathi, A K.
Water pollution / A K Tripathi; S N Pandey. - New Delhi : Ashish Pub. House , c1990. - ix, 326 p. : ill. ; 24 cm.
Includes bibliographies and index.
8170242673
Algae -- Effect of water pollution on.
Algae -- Effect of water pollution on -- India.
574.5222
Water pollution / A K Tripathi; S N Pandey. - New Delhi : Ashish Pub. House , c1990. - ix, 326 p. : ill. ; 24 cm.
Includes bibliographies and index.
8170242673
Algae -- Effect of water pollution on.
Algae -- Effect of water pollution on -- India.
574.5222