Pozdne︠i︡urskie flory ︠I︡Ugo-Zapadnoĭ Evrazii - Doludenko, M. P. (Maĭ︠i︡a Prokofʹevna) (Trudy (Geologicheskiĭ institut (Akademi︠i︡a nauk SSSR)) ;, 1984)