639.2
F898     Fridman, A. L.

               Calculations for fishing gear designs / A. L. Fridman; revised, edited and enlarged by P. J. G. Carrothers and P. Eng . - Franham : Fishing News Books,c1986 . - xxii,241p.; fig., tables

               Includes bibliography and index

               852381417

Central Inland Fisheries Research Institute

CIFRI