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journalAt: Azərbaycan SSR Elmlər Akademiyasının Mə'ruzələri, 16, 7 By: Kassumova Q. M.
journalAt: Pollen et Spores, 8, 1 By: Miller F. X.
journalAt: Studii şi cercetări de geologie, geofizică, geografie, Series, Geologie, 23, 2 By: Givulescu R., Lăcătuşu A.
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journalAt: Plant Systematics and Evolution, 210 By: Fischer T. C., Butzmann R.
journalAt: Nymphaea, 33 By: Czier Z.
bookAt: Traité Paléontol., Paris, G. Masson, 1 By: Deflandre G.
bookAt: Traité Zool., Paris, G. Masson, 1, 1 By: Deflandre G.