At: Palaeobotanist, 1978, 27, 2 By: Awasthi N.
journalAt: Acta Palaeobotanica, 47, 2 By: Blokhina N. I., Afonin M. A.
journalAt: Journal of Plant Research, 107, 1085 By: Suzuki M., Watari S.
journalAt: Review of Palaeobotany and Palynology, 149, 1–2 By: Privé-Gill C., Cao N., Legrand Ph.
journalAt: 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.