At: Science Record, 4, 2 By: Sze H. C.
journalAt: Tertiary research, 9, 1-4 By: van der Burgh J.
bookAt: Paleontol. Conf. Charles Univ., Praha, 1977, Praha, Univerzita Karlova, 1978 By: Kvaček Z.
journalAt: Proceedings of the National Academy of Sciences India, Series, Section B, Biological sciences, 15, 3 By: Sahni B., Sitholey R. V.
journalAt: Annals and Magazine of Natural History, Series 10, 10, 58 By: Edwards W. N.
journalAt: Geophytology, 3, 1 By: Bose M. N., Srivastava S. C.
journalAt: Eesti NSV Teaduste Akadeemia toimetised, Series, Keemia, Geoloogia, 37, 2 By: Kalamees K.
journalAt: Annalen [van het] Koninklijk Museum voor Midden-Afrika, Series, Reeks in 8°, Geologische wetenschappen, 52 By: Lakhanpal R. N.
journalAt: Memoirs of the Faculty of Science, Kyushu University, Series, D, Geology, 22, 1 By: Hojo Y.
journalAt: Palaeobotanist, 1978, 27, 3 By: Lakhanpal R. N., Prakash U., Awasthi N.