00583naa#a2200169#i#450# EN\\bibl\2279 20251219164913.5 2308-8877 20140510b2014####ek#y0engy0150####ca RUS RU Determining the presence of synthetic ingredients in wood biofuel Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2014 4 с. Journal article local Safonov Andrey Olegovich anni.editorum.ru