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2. B. G. Iogansen and A. D. Beikina, “Siberian Botanical Garden, to the 60th Anniversary,” Byul. Sib. Bot. Sada, Issue 1, 3 (1947).
3. V. A. Moryakina, “History and Main Stages of Introduction of Woody Plants in Tomsk,” Byul. Sib. Bot. Sada, Issue 7, 3 (1970).
4. E. N. Protopopova, New Tree Species in Siberia (Moscow, 1966), pp. 6–9 [in Russian].
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