At: Contributions from the Museum of Paleontology, University of Michigan, 12, 4 By: Arnold C. A.
journalAt: Torreya, 34, 1 By: Wodehouse R. P.
journalAt: Torreya, 35, 1 By: Berry E. W.
journalAt: Journal of the Geological Society of India, 61, 4 By: Joshi A., Mehrotra R. C.
journalAt: Torreya, 7, 4 By: Berry E. W.
journalAt: Az Egri Múzeum évkönyve, 2 By: Andreánszky G., Kovács É. E.
journalAt: International Journal of Plant Sciences, 168, 8 By: Carpenter R. J., Jordan G. J., Hill R. S.
journalAt: Transactions and proceedings of the Palaeontological Society of Japan, New Series, 89 By: Huzioka K., Takahashi E.
journalAt: Bulletin of the Kitakyushu Museum of Natural History, 19 By: Kimura T., Ohana T.
bookAt: Univ. Text-book Bot., New York–London, McMillan By: Campbell D. H.