639.2
G973     Gulland, J. A.

               Fish stock assesment: a mannual of basic methods / J. A. Gulland . - Chichestter : John Wiley,1988 . - xii,223p.; fig. . - Fao/Wiley series on food agriculture; v.1 .

               Includes index

               471900273

Central Inland Fisheries Research Institute

CIFRI