Szukana fraza: [Bibliografia = "4. Avinsky V.A., Filatova T.N., Solntsev V.N., 2003, Long\-term trends in some hydrological parameters and fish catch in Lake Peipus, \[w\:\] Proceedings of the Fourth International Lake Ladoga Symposium 2002, University of Joensuu, Joensuu, s. 13\-19."]

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