For citations:
Gabdullin R.R., Badulina N.V., Rostovtseva Yu.I., Ivanov A.V. Climatic variations in Arctic region in Cretaceous and Cenozoic. Moscow University Bulletin. Series 4. Geology. 2019;(5):30-37. (In Russ.) https://doi.org/10.33623/0579-9406-2019-5-30-37