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journalAt: Bulletin de la Société Géologique de France, Series 4, 15, 5-6 By: Marty P.
bookAt: Iskop. Tsvetk. Rast. SSSR, Leningrad, Izdatel'stvo Nauka, Leningradskoe otdelenie, 1974, 1 By: Imchanitzkaja N. N.
bookAt: Iskop. Tsvetk. Rast. SSSR, Leningrad, Izdatel'stvo Nauka, Leningradskoe otdelenie, 1974, 1 By: Dorofeev P. I.
journalAt: Plant Systematics and Evolution, 216, 3-4 By: Frumin S., Friis E. M.
journalAt: Botanicheskii Zhurnal, 62, 8 By: Gorbunov M. G.
journalAt: Analele Universităţii Bucureşti, Series, Seria ştiinţelor naturii, 16, 1 By: Nagy F., Mîrza I.
journalAt: A Magyar Királyi Földtani Intézet évkönyve, 8, 5 By: Felix J.
journalAt: Földtani Közlöny, 93, 4 By: Vadász E.