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Application of the Water Pollution Index in the Assessment of the Ecological Status of Rivers: a Case Study of the Sava River, Serbia
(Sofia: Bulgarian Academy of Sciences, 2016)
Recent records and ecological notes on the Riffle Beetle Potamophilus acuminatus (Fabricius, 1792) (Coleoptera: Elmidae) in Serbia
(Sofia: Institute of Zoology – Bulgarian Academy of Sciences, 2016)