At: Trudy Botanicheskogo Instituta Akademii Nauk SSSR, Series, 1, Flora i sistematika vysshikh rastenii, 5 By: Jarmolenko A. V.
bookAt: Iskop. Drev. Smolino, Leningrad, tipografija GPB By: Chudajberdyev R. Kh.
bookAt: Probl. Paleobot., Leningrad, Izdatel'stvo "Nauka", Leningradskoe otdelenie, 1986 By: Shilkina I. A.
journalAt: Doklady Akademii Nauk SSSR, 131, 5 By: Nastschokin V. D.
bookAt: Iskop. Drev. Turgajsk., Tashkent, Izdatel'stvo "Nauka" Uzbekskoj SSR By: Chudajberdyev R. Kh.
journalAt: Trudy Botanicheskogo Instituta Akademii Nauk SSSR, Series, 8, Paleobotanika, 6 By: Shilkina I. A.
bookAt: Mel-Paleog. Mal. Kuril., Vladivostok, Dal'nevostochnoe otdelenie Akademii nauk SSSR By: Blokhina N. I.
bookAt: Iskop. Fl. Arktiki, Leningrad; St.Petersburg, Izdatel'stvo Nauka; Marafon, 1 By: Sveshnikova I. N., Budantsev L. Yu.
journalAt: Trudy Botanicheskogo Instituta Akademii Nauk SSSR, Series, 8, Paleobotanika, 3 By: Kryshtofovich A. N.
bookAt: Paleoflor. Stratigr. Faneroz., Moscow, Geologicheskij Institut AN SSSR By: Akhmetiev M. A., Shevyreva N. A.