At: Dopovidi Akademiï Nauk Ukrayins’koi RSR, Series, B, geologichni, khimichni ta biologichni nauky, 1988, 6 By: Radziwill A. A.
journalAt: Doklady Akademii Nauk Ukrainskoi SSR, Series, B, geologicheskie, khimicheskie i biologicheskie nauki, 1988, 6 By: Radziwill A. A.
journalAt: Haykakan SSṘ Gitowty̓ownneri Akademiayi zekowycn̓er, 1, 1–2 By: Takhtajan A. L.
journalAt: Vestsi Akademii Navuk Belaruskai SSR, Series, Seryya biyalahichnykh navuk, 1973, 5 By: Wieliczkiewicz F. Ju.
journalAt: Bulletin international de l’Académie Polonaise des Sciences et des Lettres, Class, Classe des sciences mathématiques et naturelles. Série B 1. Botanique, 1937, 1-5 By: Lilpop J.
journalAt: Annals of the Missouri Botanical Garden, 36, 4 By: Andrews H. N.
journalAt: Annales géologiques des pays helléniques, Series, Hors série, 3 By: Velitzelos E., Gregor H.-J.
journalAt: Review of Palaeobotany and Palynology, 149, 3-4 By: Feng Z., Wang J., Bek J.
journalAt: Boletín de la Sociedad Geológica Mexicana, 71, 3 By: Pérez-Lara D. K., Estrada-Ruiz E., Castañeda-Posadas C.
journalAt: Revista geológica de Chile, 29, 2 By: Torres T., Philippe M.