00828naa#a2200217#i#450# EN\\bibl\98764 20251224003355.3 2712-7761 20250514b2025####ek#y0engy0150####ca RU Composition of hydrocarbons-biomarkers of bitumoids of different-aged deposits of the Timan-Pechora and Volga-Ural oil and gas provinces Journal article Syktyvkar FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences" 2025 7 с. Journal article local Месторождения нефти. 553.982.2 Геохимия. 550.4 Galiakhmetova L. Kh. Markelov R. A. Muhamatdinova R. E. Mukhamatdinov I. I. Vahin A V komisc.editorum.ru