00839naa#a2200193#i#450# EN\\bibl\70214 20241125190033.1 1815-588X 20230921b2023####ek#y0engy0150####ca RU A System for the Joint Use of Coalbed Lean Methane and Biogas to Generate Electricity in Coal Mines Journal article Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2023 8 с. Journal article local Биогаз (иловый газ) - смесь метана и углекислого газа. Количество. Состав. Свойства. 628.336.6 Haritonenko Aleksandr Leonidovich Zav'yalov Aleksey Borisovich Zachinyaev Yaroslav Vasil'evich atjournal.ru