At: Neues Jahrbuch für Geologie und Paläontologie Monatshefte, 1973, 11 By: Srivastava N. K.
journalAt: Paleontologiya, stratigrafiya i litologiya, 30 By: Palamarev E. Kh.
journalAt: Journal of the Faculty of Science of the Hokkaido University, Series, 4, Geology and mineralogy, 11, 2 By: Tanai T.
journalAt: Science reports of the Institute of Geoscience / University of Tsukuba, Series, Section B, Geological sciences, 17 By: Horiuchi J.
journalAt: International Journal of Plant Sciences, 171, 8 By: Worobiec G., Worobiec E., Kvaček Z.
journalAt: Trudy Botanicheskogo Instituta Akademii Nauk SSSR, Series, 8, Paleobotanika, 4 By: Takhtajan A. L.
journalAt: Saqartvelos SSR Metsnierebata Akademiis Geologiuri Institutis shromebi, Series, Akhali [Novaja], 2 By: Usnadze M. D.
bookAt: Stratigr. Paleontol. Mezoz. Paleogen-Neogen. Aziatsk. SSSR, Moscow, Izdatel'stvo "Nauka", Leningradskoe otdelenie By: Iljinskaja I. A.
bookAt: Neogen. Fl. Zakarpatsk. Obl. USSR, Leningrad, Nauka, Leningradskoe otdelenie By: Iljinskaja I. A.
journalAt: Byulleten’ Moskovskogo Obshchestva Ispytatelei Prirody, Otdel, Otdel geologicheskii, 45, 6 By: Gluchovskaja N. B.