00675naa#a2200181#i#450# EN\\bibl\105033 20260314012056.6 2712-7761 20251006b2025####ek#y0engy0150####ca RU Cretaceous-Paleogenic fossil resins of Yakutia: molecular composition and thermal properties Journal article Syktyvkar FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences" 2025 10 с. Journal article local другие ископаемые смолы. 549.892.2 Martirosyan O. V. Bogdasarov Maxim Albertovich ras.editorum.ru