At: Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen, Series, B, Palaeontology, geology, physics, chemistry, anthropology, 91, 3 By: Du N.-Z.
journalAt: IAWA Journal, 17, 4 By: Suzuki M., Terada K.
journalAt: Palaeontographica, Abtheilung, B, Paläophytologie, 299, 1-6 By: Akkemik Ü., Akkılıç H., Güngör Y.
journalAt: Proceedings of the Royal Society of Victoria, 70, 2 By: Patton R. T.
journalAt: Paleontological Journal, 44 By: Blokhina N. I.
journalAt: Current Science, 37, 4 By: Prakash U., Tripathi P. P.
journalAt: Geophytology, 16, 1-2 By: Trivedi B. S., Panjwani M.
journalAt: Publication of the Centre of Advanced Study in Geology, Panjab University, 3 By: Prakash U.
journalAt: Current Science, 34, 6 By: Prakash U.
journalAt: Current Science, 48, 8 By: Ghosh P. K., Roy S. K.