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journalAt: Problemy Paleontologii, 5 By: Zalessky M. D.
bookAt: Veitch's Man. Conif. rev. ed., Chelsea, S.W. [London], James Veitch & Sons, New By: Kent A. H.
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journalAt: Geološki vjesnik, 1963, 17 By: Kochansky-Devidé V.
journalAt: Časopis pro mineralogii a geologii, 19, 2 By: Knobloch E.
journalAt: Courier Forschungsinstitut Senckenberg, 176 By: Zügel P.
journalAt: Botanicheskii Zhurnal, 96, 10 By: Pavlyutkin B. I.
journalAt: Documenta naturae, 13 By: Gregor H.-J.