At: Paleontological Journal, 44, 10 By: Shczepetov S. V., Golovneva L. B.
journalAt: Palaeontographica, Abtheilung, B, Paläophytologie, 147, 4-6 By: Bose M. N.
journalAt: Review of Palaeobotany and Palynology, 28, 2 By: Peck R. E., Forester R. M.
journalAt: Sborník geologických věd, Řada, Řada P, Paleontologie, 13 By: Bůžek Č., Konzalová M., Kvaček Z.
journalAt: Veröffentlichungen des Geobotanischen Institutes Rübel in Zürich, 33 By: Szafer W.
journalAt: Botaniska Notiser, 117, 2 By: Tralau H.
journalAt: American Geologist, 12, 4 By: Lesquereux L. C.
journalAt: Proceedings of the Imperial Academy of Japan, 10, 8 By: Endô S.
journalAt: Plant World, 19 By: Berry E. W.
bookAt: Geol. Hist. Pl., New York; London, D. Appleton and Company [New York]; Kegan Paul, Trench & Co. [London] By: Dawson J. W.