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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