At: Canadian Journal of Botany, 50, 11 By: Rothwell G. W.
bookAt: Iskop. Tsvetk. Rast. SSSR, Leningrad, Izdatel'stvo Nauka, Leningradskoe otdelenie, 1974, 1 By: Dorofeev P. I.
journalAt: Acta Phytotaxonomica Sinica, 45, 4 By: Jacques F. M. B., Guo S.-X.
journalAt: Palaeontology, 13, 1 By: Gould R. E.
journalAt: Acta Palaeobotanica, 59, 2 By: Velitzelos D., Iamandei S., Iamandei E., Velitzelos E.
bookAt: Foss. Brit. Islands, Oxford, Clarendon Press, 1 By: Etheridge R., Jr.
journalAt: Palaeontologia Sinica, Series, A, Fossil plants of China [Jiazhong], 2, 1 By: Halle T. G.
journalAt: Annalen [van het] Koninklijk Museum voor Midden-Afrika, Series, Reeks in 8°, Geologische wetenschappen, 53 By: Bose M. N., Maheshwari H. K.
bookAt: Handwörterb. Naturwiss., Jena, G. Fischer, 7, 24-25 By: Gothan W.
journalAt: Senckenbergiana, 10, 1-2 By: Jurasky K. A.