01355cam a22003371 4500 4542072 BD-DhUL 20141229105455.0 710426s1967 enkaf b 100 0 eng b 68069532 B67-25962 DLC DLC DLC BD-DhUL QL615 .B5 1966b QL 615 B615 1966 597.093 GEB The Biological basis of freshwater fish production : a symposium sponsored by Sectional Committee on Productivity of Freshwater Communities of the International Biological Programme, the University, Reading, England, 1-6 September, 1966 / edited by Shelby D. Gerking. Oxford ; Edinburgh : Blackwell Scientific , c1967 . xiv, 495 p. : ill., plates ; 23 cm. GBP. 5.50 Includes bibliographical references and index. Fishes Congresses. Fish populations Congresses. Fish culture Congresses. Fisheries congresses. Fishes congresses. Gerking, Shelby Delos, 1918- ed. International Biological Programme. Sectional Committee on Productivity of Freshwater Communities. University of Reading. 7 cbc orignew u opcn 19 y-gencatlg ddc BK 25194 25194 0 0 ddc 0 597_093000000000000_GEB 0 NFIC 48213 DUSL DUSL GEN 1970-12-16 purchased 597.093 GEB A74266 2014-12-29 1 2014-12-29 BK