For citations:
Bychkov A.Y., Kalmykov G.A., Bugaev I.A., Balushkina N.A., Kalmykov A.G. Geochemical features of Bazhenov and Abalak formations (Western Siberia). Moscow University Bulletin. Series 4. Geology. 2016;(6):86-93. (In Russ.) https://doi.org/10.33623/0579-9406-2016-6-86-93