67. TECHNICAL REPORT / ECETOC ; NR 67 804,624 ROLE The role of bioaccumulation in environmental risk assessment : the aquatic environment and related food webs i October 1995 / [ECETOC [European Centre for Ecotoxicology and Toxicology of Chemicals]. -Brussels s ECETOC, 1996. - [8], 130 s. : wykr. ; 30 cm (Technical Report / ECETOC, ISSN 0773-8072-67 ; nr 67)