Purtova,S.I. et al. (1983)
The use of palynological data for paleogeographic reconstructions-For example, in the Valanginian-Early Hauterivian strata of the West Siberian Plate [ Ispolzovaniye palinologicheskikh dannykh dlya paleogeograficheskikh Rekonstruktsiy na Primere Valangzhin-Rannegoterivskikh otlozheniy Zapadno-Sibirskoy Plity ] Trudy Uralskii Nauchnyi Tsentralnykh,Akademiya Nauk SSR.Sverdlovsk USSR.Palinologiya i Paleogeografiya.Materialya Iv Vsesoyuzon Palinologicheskoi Konferentsnn(1981)
P. 16- 21