At: Palaeobotanist, 1962, 11, 3 By: Navale G. K. B.
journalAt: New Zealand Journal of Botany, 23, 2 By: Campbell J. D.
journalAt: Contributions series, American Association of Stratigraphic Palynologists, 24 By: Batten D. J., Kovach W. L.
bookAt: Cat. Foss. Pl. Sternberg, Praha, National Museum By: Kvaček J., Straková M.
journalAt: Sternbergiana, 1 By: Kvaček J., Dašková J., Libertín M.
journalAt: Phytologia Balcanica, 11, 3 By: Palamarev E. Kh., Bozukov V., Uzunova K., Petkova A. S., Kitanov G. B.
journalAt: Memoirs of the Geological Society of America, 51 By: LaMotte R. S.
bookAt: Cat. Hutton Coll., Newcastle-upon-Tyne & London, published for the Institute by Andrew Reid [Newcastle-upon-Tyne], & Longmans and Company [London] By: Lebour G.
journalAt: Nationaal Natuurhistorisch Museum Technical Bulletin, 7 By: van Konijnenburg-van Cittert J. H. A., van Waveren I. M., Jonkers J. B.
journalAt: Bulletin of the United States National Museum, 53, 2 By: Peale A. C.