@article{Valyaeva2023geochemistry, author={Valyaeva, O.V. and Ryabinkina, N.N.}, title={Geochemistry of organic matter of natural bitumen in the section of the Kozhva river (Timan-Pechora province)}, journal={Vestnik of geosciences}, publisher={FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"}, year={2023}, pages={56-62}, volume={0}, issue={9}, }