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journalAt: Mémoires de la Société Géologique de France, Nouvelle Série (1953), 32, 4=68 By: Valensi L.
journalAt: Compte rendu sommaire de la Société Géologique de France, 1954, 3-4 By: Deflandre-Rigaud M.
journalAt: Mémoires de l’Académie Royale des Sciences, Lettres et Beaux-Arts de Belgique, Collection in-8°, Class, Classe des Sciences, Séries 2, 36, 2 By: de Coninck J.
journalAt: Proceedings of the National Academy of Sciences India, Series, Section B, Biological sciences, 14, 4-5 By: Mehta K. R.
journalAt: Journal of scientific research of the Benaras Hindu University, 1951-1952, 2 By: Goswami S. K.
journalAt: Proceedings of the National Academy of Sciences India, Series, Section B, Biological sciences, 14, 1-2 By: Mehta K. R.
journalAt: Precambrian research, 74, 1-2 By: Kumar S., Srivastava P.
journalAt: Journal of Paleontology, 56, 3 By: Knoll A. H.
journalAt: Precambrian research, 11, 2 By: Horodyski R. J., Donaldson J. A.