00553naa#a2200169#i#450# EN\\bibl\8209 20241202125425.1 2308-8877 20151108b2015####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 Shcheglov V. naukaru.ru