At: Izvestiya Akademii Nauk SSSR, Series, Geologicheskaya, 1983, 3 By: Kolosov P. N., Maksumova R. A., Korolev V. G., Konovod A. V.
journalAt: Doklady Akademii Nauk SSSR, 141, 1 By: Naumova S. N., Pavlovsky E. V.
journalAt: Doklady Akademii Nauk SSSR, 112, 3 By: Kulik Е. L.
journalAt: Doklady Akademii Nauk SSSR, 92, 2 By: Sveshnikova I. N.
journalAt: Trudy Vsesoyuznogo Nauchno-Issledovatel'skogo Geologorazvedochnogo Neftianogo Instituta, 27 By: Schepeleva E. D.
journalAt: Paleontologicheskii Zhurnal, 1964, 2 By: Teslenko Yu. V.
journalAt: Botanicheskii Zhurnal, 76, 1 By: Snigirevskaya N. S., Bogdanova L. A.
journalAt: Doklady Akademii Nauk SSSR, 121, 3 By: Maslov V. P.
journalAt: Paleontologicheskii Zhurnal, 1959, 4 By: Voshchakin M. A.
bookAt: Paleontol. Dokembr. Rann. Kembr., Leningrad, Izdatel'stvo "Nauka", Leningradskoe otdelenie By: Herman T. N.