For citations:
Deryugin V.A., Sukhoverkhov S.V., Ujiie Y., Pavlov A.D. ON THE ORIGIN OF NATURAL BITUMEN AT YASNOYE-8 (SAKHALIN ISLAND). Archaeology, Ethnology & Anthropology of Eurasia. 2018;46(1):34-40. https://doi.org/10.17746/1563-0110.2018.46.1.034-040