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journalAt: Review of Palaeobotany and Palynology, 155, 3-4 By: Bek J., Libertín M., Drábková J.
journalAt: Review of Palaeobotany and Palynology, 258 By: Huang Y.-J., Momohara A., Wang Y.-Q.
journalAt: Bulletin of the Oil and Natural Gas Corporation Ltd., 30, 2 By: Kumar A., Sharma J., Kapoor P. N.
bookAt: Fl. SSSR, Leningrad-Moscow, Izdateľstvo Akademii Nauk SSSR, 1 By: Juzepczuk S. V.
journalAt: Botanicheskii Zhurnal, 75, 10 By: Ştefîrţă A. G.
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bookAt: Osnovy Paleontol., Moscow, Izdateľstvo Akademii Nauk SSSR, [14] By: Ananiev A. R.