For citations:

Bordunov S.I., Dmitrieva T.V., Fregatova N.A. Issues of the Cenozoic Stratigraphy of Western Kamchatka and the stages of evolution of the foraminifera paleocommunities. Moscow University Bulletin. Series 4. Geology. 2020;(5):17-24. (In Russ.) https://doi.org/10.33623/0579-9406-2020-5-17-24