At: Paleontologicheskii Zhurnal, 1973, 1 By: Ştefîrţă A. G.
journalAt: Paleontologicheskii Zhurnal, 1971, 2 By: Ştefîrţă A. G.
journalAt: Botanicheskii Zhurnal, 72, 3 By: Dorofeev P. I.
journalAt: Haykakan SSṘ Gitowty̓ownneri Akademiayi zekowycn̓er, 43, 3 By: Gokhtuni N. G.
bookAt: Novye Vidy Drevn. Rast. Bespozv. SSSR, Moscow, Gosudarstvennoe nauchno-tekhnicheskoe izdatel'stvo literatury po geologii i okhrane nedr, 1 By: Gorelova S. G.
bookAt: Novye Vidy Drevn. Rast. Bespozv. SSSR, Moscow, Gosudarstvennoe nauchno-tekhnicheskoe izdatel'stvo literatury po geologii i okhrane nedr, 1 By: Vladimirovich V. P., Prynada V. D., Radczenko G. P.
journalAt: Azərbaycan SSR Elmlər Akademiyasının Mə'ruzələri, 26, 8 By: Kuvaeva S. B.
journalAt: Trudy Vsesoyuznogo Nauchno-Issledovatel'skogo Geologorazvedochnogo Neftianogo Instituta, 37 By: Kopytova E. A.
journalAt: Trudy Vsesoyuznogo Nauchno-Issledovatel'skogo Geologorazvedochnogo Neftianogo Instituta, 37 By: Archangelskaja А. D.
bookAt: Sist. Evol. Drevn. Rast. Ukr., Kiev, Naukova dumka By: Kononenko L. P.