Biswas, K.P.. Harvesting aquatic resources / by K.P. Biswas. - / . - New Delhi : Daya Publishing House , 1996. - 203p. : figures ; 23cm . Includes index ISBN: 8170351588 RS460.00 Subjects--Index Terms: AQUATIC RESOURCES Dewey Class. No.: 639.7 / BIS/H