00598naa#a2200181#i#450# EN\\bibl\5542 20240510121515.5 2308-8877 20150227b2015####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 2015 2 с. Journal article local Kovalenko A. Maklakova Elena Al'bertovna naukaru.ru