363.7095
JON/F     Jones, John Richard Erichsen.

               Fish and river pollution / [by] J.R. Erichsen Jones. . - Washington, : Butterworths,,1964. . - viii, 203 p. :illus. ;23 cm.

Includes bibliographies.

64057407

GB64-15967

Central Inland Fisheries Research Institute

CIFRI