00563naa#a2200169#i#450# EN\\bibl\5745 20241223195555.1 2308-8877 20150318b2015####ek#y0engy0150####ca RUS RU About fractional composition of wood fuel used for energy purposes Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2015 5 с. Journal article local Fokin S. naukaru.ru