Methods for assessment of fish production in fresh waters / edited by Timothy Bagenal. Fish production in fresh waters. Bagenal, T. B. Freshwater fishes. Freshwater productivity. Fishery management Technique. QL624 .M47 1978 597 BAM Includes index. Bibliography: p. 303-351. Oxford : Blackwell, 1978. 1978. 1978 Text xv, 365 p. : eng IBP handbook ; no. 3