At: Annales de la Société Géologique du Nord, 1965, 85, 3 By: Loboziak S.
journalAt: American Journal of Botany, 105, 10 By: Tarran M. A., Wilson P. G., Paull R., Biffin E. S., Hill R. S.
bookAt: Iskop. Tsvetk. Rast. Ross., St.-Petersburg, 4 By: Iljinskaja I. A.
journalAt: Rivista Italiana di Paleontologia e Stratigrafia, 71, 2 By: Zanin Buri C.
journalAt: Review of Palaeobotany and Palynology, 157, 3-4 By: Kvaček Z., Teodoridis V., Wang Q.
journalAt: Great Basin Naturalist, 37, 3 By: Reveal J. L.
journalAt: Věstník Ústředního Ústavu Geologického, 40, 3 By: Obrhel J.
journalAt: Annals of Botany, 86, 2 By: Poole I., Gottwald H. P. J., Francis J. E.
bookAt: Ill. Cretac. Tert. Pl. W. Terr., Washington, D.C., Government Printing Office By: Lesquereux L. C.
bookAt: Ill. Foss. Pl., Newcastle-upon-Tyne, published for the Institute by A. Reid, 1877 By: Lebour G.