Martinson, G.G.; Popova, S.M. (1959). Tretichnyye mollyuski baykal'skogo tipa iz ozernykh otlozheniy yuga Zapadnoy Sibiri [Tertiary Baikal-type mollusks from lacustrine sediments in the south of Western Siberia].
Paleontologicheskiy Zhurnal. 1959(4): 105-109.