At: Professional Papers / United States Geological Survey, 182 By: Hollick A.
journalAt: Journal of the Mining College Akita University, Series, A, Mining geology, 5, 1 By: Huzioka K.
journalAt: Kongliga Svenska Vetenskaps-Akademiens Handlingar, Series, Ny följd, Series 3, 19, 2 By: Florin R.
journalAt: Palaeontographica, Abtheilung, B, Paläophytologie, 107, 4-6 By: Becker H. F.
journalAt: Transactions of the Royal Society of Edinburgh, 64, 16 By: Simpson J. B.
bookAt: Testim. Rocks, New York; Boston; Edinburgh; London, Hurst and Company [NY]; Gould and Lincoln [Boston]; T. Constable & Co. : Shepherd & Elliot [Edinburgh]; Hamilton, Adams, & Co. [London] By: Miller H.
journalAt: Review of Palaeobotany and Palynology, 62, 3-4 By: Boyd A. E.
journalAt: Review of Palaeobotany and Palynology, 96, 1-2 By: Axsmith B. J., Taylor T. N.
journalAt: British Antarctic Survey Bulletin, 53 By: Lacey W. S., Lucas R. C.
journalAt: Publications of the Carnegie Institution of Washington, 416 By: MacGinitie H. D.