na INLIS000000000020467 Ind 0010-1218002305 Biological activity and its influence on metal complexation in fresh-water systems CASTILHO, P. DEL Castilho, P. del; Salomons, W. In: Environmental Contamination : International Conference, London, July 1984, Edinburgh, Cep Consultants Ltd. (1984): 373-379 ill. 13 ref. 581.526.323.2 AQUATIC ENVIRONMENT METALS 229/85