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Message * Anatomii︠a︡, Fiziologii︠a︡ i Ėkologii︠a︡ Lesnykh Rasteniĭ Materialy Xxvi Sessii Komissii Im. L.A. Ivanova, Petrozavodsk, 26-28 Fevrali︠a︡ 1991 G. - 520107782X - 9785201077822