00617naa#a2200193#i#450# EN\\bibl\3765 20250301035446.6 2308-8877 20141105b2014####ek#y0engy0150####ca RUS RU Method activation end date in the past. direction:re Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2014 3 с. Journal article local Veremeychik A. Ibe E. Shugurova A. anni.editorum.ru