| | New trends in the ecological and biological research [Текст] : book of abstr. intern. sci. conf., 9-11 Sept. 2015, Univ. of Presov, Slovak Rep. / Univ. of Presov, Fac. of Humanities and Natural Sciences, Greek-Catholic Theol. Fac., Fac. of Orthodox Theology. — Presov, 2015. |
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