For citations:

Shpurov I.V., Cherepanov V.V., Afanasyev V.S. Selection of section intervals promising for gas search in Upper Cretaceous clay deposits of the north of Western Siberia (on the example of the Medvezhye gas fild). Moscow University Bulletin. Series 4. Geology. 2020;(6):77-87. (In Russ.) https://doi.org/10.33623/0579-9406-2020-6-77-87