At: 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.
journalAt: Quarterly Journal of the Geological Society of London, Part I, 79, 314 By: Chandler M. E. J.
bookAt: Geol. Miner. Res. Jap. Empire, Tokyo, Imperial Geological Survey of Japan By: Kanehara N.