At: Ezhegodnik po Geologii i Mineralogii Rossii, 14, 6 By: Novopokrovsky I. V.
journalAt: Zapiski Imperatorskago Sankt-Peterburgskago Mineralogicheskago Obshchestva, Series, 2, 16 By: Schmalhausen I. F.
journalAt: Voprosy paleontologii, 10 By: Malodushnaja O. B.
journalAt: Sbornik Ministerstva geologii UzSSR, 10 By: Sixtel T. A., Savizkaja L. I., Chudajberdyev R. Kh., Loseva N. M., Burakova A. T., Iminov Ya. Kh.
journalAt: Paleontolohichnyj Zbirnyk, 28 By: Maslov V. P.
bookAt: Sist. Evol. Vyssh. Rast., Leningrad, Izdatel'stvo "Nauka", Leningradskoe otdelenie By: Zhilin S. G.
journalAt: Proceedings of the Japan Academy, B, physical and biological sciences, 61, 8 By: Kimura T., Ohana T.
journalAt: Mitteilungen der Bayerischen Staatssammlung für Paläontologie und Historische Geologie, 17 By: Gregor H.-J.
journalAt: Acta Botanica Sinica, 30, 4 By: Hao S.-G.
journalAt: Kosmos, 17 By: Raciborski M.