00790naa#a2200193#i#450# EN\\bibl\54977 20241103220138.7 2712-7761 20221110b2022####ek#y0engy0150####ca RU Alteration in amino acid composition of natural solid bitumens and some synthesized carbonaceous materials in the carbonization sequence Journal article Syktyvkar FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences" 2022 12 с. Journal article local Биогеохимия. 550.47 Аминокислоты и соединения аминокислот. 577.112.3 Shanina S. N. Golubev E. A. Amosova O E komisc.editorum.ru