At: Micro-Palaeophytol. Carbon., Erlangen, redemptio autoris et apud Theodorum Krische bibliopolam, 2 By: Reinsch P.
journalAt: Precambrian research, 21, 3-4 By: McMenamin D. L. S., Kumar S., Awramik S. M.
journalAt: Precambrian research, 13 By: Lo S.-C. C.
journalAt: Palaeobotanist, 1983, 32, 1 By: Mandal J. P., Maithy P. K., Barman G., Verma K. K.
journalAt: Precambrian research, 65 By: Yin L.-M., Sun W.-G.
journalAt: Palaeobotanist, 1973, 23, 3 By: Maithy P. K., Shukla M.
journalAt: Journal of Paleontology, 58, 1 By: Knoll A. H.
journalAt: Geologica Belgica, 8, 3 By: Mamet B. L., Préat A.
journalAt: Analele Universităţii Bucureşti, Series, Seria ştiinţelor naturii, 15, 2 By: Dragastan O. N.
journalAt: Geobios, 27, 2 By: Charrière A., Dépêche F., Feist M., Grambast-Fessard N., Jaffrezo M., Peybernès B., Ramalho M.