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Message * Biologicheskoe Raznoobrazie Belorusskogo Poozerʹi︠a︡ Sovremennoe Sostoi︠a︡nie, Problemy Ispolʹzovanii︠a︡ i Okhrany : Materialy Ii Mezhdunarodnoĭ Nauchno-Prakticheskoĭ Konferent︠s︡ii, Vitebsk, 19-21 Noi︠a︡bri︠a︡ 2008 G. - 9854259943 - 9789854259949