At: Boletim de geociências da Petrobrás, 8, 2–4 By: Dino R.
journalAt: Cretaceous Research, 30, 2 By: Vera E. I.
journalAt: Review of Palaeobotany and Palynology, 40, 1-2 By: van der Burgh J.
journalAt: Geophytology, 16, 1-2 By: Banerji J., Pal P. K.
journalAt: Plant Systematics and Evolution, 202 By: Magallón-Puebla S., Herendeen P. S., Endress P. K.
journalAt: Annales botanici Fennici, 54, 4-6 By: Doweld A. B.
journalAt: Izvestiya na Botanicheskiya Institut, 1 By: Jordanov D., Kitanov B.
journalAt: Časopis pro mineralogii a geologii, 19, 4 By: Kvaček Z., Holý F.
bookAt: Iskop. Tsvetk. Rast. SSSR, Leningrad, Izdatel'stvo Nauka, Leningradskoe otdelenie, 2 By: Iljinskaja I. A.
bookAt: Iskop. Tsvetk. Rast. SSSR, Leningrad, Izdatel'stvo Nauka, Leningradskoe otdelenie, 2 By: Dorofeev P. I.