00747naa#a2200181#i#4500001001500000005001700015011001400032100004100046102000700087200013100094210010900225215001000334608002700344675012900371700002000500700002200520856002300542EN\\bibl\7197020251218205650.4##a2712-7761##a20231206b2023####ek#y0engy0150####ca##aRU1#aGeochemistry of organic matter of natural bitumen in the section of the Kozhva river (Timan-Pechora province)eJournal article1#aSyktyvkarcFSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"d2023##a6 с.##aJournal article2local##aМесторождения углеродистых пород и углеводородов. 553.9aГеохимия. 550.4#1aValyaevagO. V.#1aRyabinkinagN. N.4#akomisc.editorum.ru