639.21G361     Gerking, Shelby D. ed.

               The Biological basis of freshwater fish production: A symposium sponsored by sectional committee on produictivity of freshwater communities of the internationa.. / edited by Shelby D. Gerking . - Oxford : Blackwell Scientific Publications,1966 . - xiv.495p.;

               includes bibliography & index

Central Inland Fisheries Research Institute

CIFRI