At: Trudy Nauchno-Issledovatel'skogo Instituta Geologii Arktiki, 31 By: Kara-Mursa E. N.
journalAt: Trudy Geologicheskogo Instituta Akademii Nauk SSSR, 1956, 2 By: Bolkhovitina N. A.
journalAt: Trudy Vsesoyuznogo Nauchno-Issledovatel'skogo Geologorazvedochnogo Neftianogo Instituta, 253 By: Byvscheva T. V., Archangelskaja А. D., Petrosjanz M. A., Barchatnaja I. N.
bookAt: Atlas Spor Pyl'tsy Paleoz. Otlozh. Kazakhst., Alma-Ata, Izdateľstvo Akademii nauk Kazakhskoj SSSR By: Luber A. A.
journalAt: Argumenta Palaeobotanica, 1 By: Remy W., Remy R.
journalAt: Argumenta Palaeobotanica, 1(Tafelband) By: Remy W., Remy R.
journalAt: Journal of the Hattori Botanical Laboratory, 95 By: Frahm J.-P.
journalAt: Review of Palaeobotany and Palynology, 102, 3–4 By: Manchester S. R., Dilcher D. L., Wing S. L.
journalAt: American Journal of Botany, 76, 2 By: Manchester S. R.
journalAt: Bulletin de l’Institut Royal des Sciences Naturelles de Belgique, 11, 28 By: Stockmans F.