TY - BOOK AU - Vinberg,G.G. TI - Methods for the estimation of production of aquatic animals SN - 0127583505 AV - QL120 .V5513 U1 - 591.92 19 PY - 1971/// CY - London, New York PB - Academic Press KW - Aquatic animals KW - Biological productivity KW - Animal populations KW - Estimates ER -