R. W. Edwards

               Conservation and productivity of natural waters: the proceedings of a symposium organized jointly by the British Ecological Society and the Zoological Society of London, held at the Zoological Society of London on 22 and 23 October, / R. W. Edwards and D. J. Garrod . - London : Academic Press,1972 . - 318p.

Central Inland Fisheries Research Institute

CIFRI