00626naa#a2200181#i#450# EN\\bibl\119501 20260409201313.4 2782-1900 20260324b2026####ek#y0engy0150####ca ENG RU The physico-chemical analysis of the molecular structure of binding and electrode pitches Journal article Yaroslavl Yaroslavl State Technical University 2026 20 с. Journal article local Переработка каменноугольной смолы. 662.749.33 ENG Kovalev Rodion Yuryevich chemintech.ru