RT Journal DB /z-wcorg/ DS http://worldcat.org ID 120589060 LA English T1 Responses of Unio tumidus to mixed chemical preparations and the hazard of synecological summation of anthropogenic effects. A1 Ostroumov, S A, YR 2001 SN 0012-4966 JF Dokl Biol Sci Doklady biological sciences : proceedings of the Academy of Sciences of the USSR, Biological sciences sections VO 380 SP 492 OP 5