TY - BOOK AU - Gerking,Shelby Delos,1918- ED - International Biological Programme ED - The University, Reading, England TI - The Biological Basis of Freshwater FISH Production: a symposium sponsored by sectional committe on productivity of freshwater communities of the International Biological Programme PY - 1967/// CY - Oxford PB - Blackwell Scientific Publications KW - Fishes KW - Congresses KW - Fish populations KW - Fish culture N1 - Includes bibliographical references ER -