At: Textb. Paleobot., New York–London, D. Appleton-Century Company By: Darrah W. C.
bookAt: Handb. Paläobot., München–Berlin, R. Oldenbourg, 1 By: von Pia J.
journalAt: Series of reports dealing with the systematic geology and paleontology of Maryland / Maryland Geological Survey, 6, 2 By: Berry E. W.
journalAt: Memoir / Geological Survey, Canada, 41 By: Stopes M. C.
journalAt: Bulletin of the Faculty of Liberal Arts Ibaraki University, Series, Natural science, 9 By: Ôyama T.
bookAt: Transf. Paleobot., London, Academic Press By: Morris J. L., Edwards D. S., Richardson J. B.
journalAt: Geologický zborník, 38, 3 By: Mišík M.
journalAt: Revista Española de Micropaleontología, 22, 1 By: Mamet B. L., Herbig H.-G.
journalAt: Quarterly Journal of the Geological Society of London, 1942, 98, 3-4 By: Wood A.
journalAt: Bulletin / National Museum of Canada, 58 By: Berry E. W.