Bondarenko,N.M. (1969)
Palynological characteristics of deposits of the Campanian Stage of the Ust-Yenisei Depression [ Palinologicheskya kharakteristika otlozhenii Kampanskogo Yarusa Ust-Eniseiskoi Vpadini ] Nauchno-Issledovatelskii Institut Geologii Arktiki, Leningrad, Sbornik Statei po Paleontologii i Biostratigrafii, #25
# 25 P. 66- 72