At: Zhurnal vrachebnykh i estestvennykh nauk, 1 By: von Eichwald K.
journalAt: Zhurnal vrachebnykh i estestvennykh nauk, 2 By: von Eichwald K.
journalAt: Botanicheskii Zhurnal, 54, 5 By: Negru A. G.
bookAt: Sist. Evol. Vyssh. Rast., Leningrad, Izdatel'stvo "Nauka", Leningradskoe otdelenie By: Baikovskaja T. N.
journalAt: Paleontologicheskii Zhurnal, 1975, 1 By: Fedotov V. V.
journalAt: Doklady Akademii Nauk SSSR, 163, 3 By: Pojarkov B. V.
journalAt: Paleontologicheskii Zhurnal, 1981, 3 By: Zakharova T. V.
journalAt: Trudy Geologicheskogo Instituta Akademii Nauk SSSR, 190 By: Doludenko M. P.
journalAt: Paleontologicheskii Sbornik, 11, 2 By: Assejeva E. A.
journalAt: Uchenye zapiski Tomskogo gosudarstvennogo universiteta, 63 By: Stepanov S. A.