At: Pollen et Spores, 8, 1 By: Engelhardt D. W.
bookAt: Atlas Rukov. Form Fauny Fl. Kuzn. Bas., Moscow, Gosudarstvennoe nauchno-tekhnicheskoe izdatel'stvo literatury po geologii i okhrane nedr By: Radczenko G. P.
bookAt: Atlas Rukov. Form Fauny Fl. Zap. Sibiri, Moscow, Gosudarstvennoe nauchno-tekhnicheskoe izdatel'stvo literatury po geologii i okhrane nedr, 1955, 2 By: Radczenko G. P.
journalAt: IAWA Journal, 35, 4 By: Cevallos-Ferriz S. R. S., Martínez-Cabrera H. I., Calvillo-Canadell L.
journalAt: Tertiary research, 9, 1-4 By: Collinson M. E., Gregor H.-J.
journalAt: Transactions and proceedings of the Palaeontological Society of Japan, 30 By: Takahashi K.
journalAt: Palaeobotanist, 1979-1980, 28-29 By: Trivedi B. S., Verma C. L.
journalAt: Biovigyanan, 12, 2 By: Bonde S. D.
journalAt: University of Queensland Papers, Department of Geology, 6, 8 By: Haskell T. R.
journalAt: American Journal of Science, Ser. 5, 4, 20 By: Berry E. W.