At: Journal of the Indian Botanical Society, 30, 1–4 By: Surange K. R., Singh P.
journalAt: Transactions of the Geological Society of South Africa, 66 By: Le Roux S. F.
journalAt: Acta Micropalaeontologica Sinica, 1, 1 By: Wang Z.
journalAt: Senckenbergiana, 8, 2 By: Florin R.
journalAt: Occasional papers of the Farlow Herbarium of Cryptogamic Botany, 16 By: Grolle R.
journalAt: Sitzungsberichte Akademie der Wissenschaften in Wien, Class, Mathematisch-naturwissenschaftliche Klasse. Abteilung 1, 131 By: Kubart B.
journalAt: Zeitschrift der Deutschen Geologischen Gesellschaft, 118, 1 By: Kempf E. K.
journalAt: Mededelingen van de Geologische Stichting, Series, Nieuwe, 5 By: Dijkstra S. J.
journalAt: Geological Magazine, 92, 3 By: Hughes N. F.
journalAt: Proceedings of the Cambridge Philosophical Society, 10, 5 By: Seward A. C.