00553naa#a2200169#i#450# EN\\bibl\10180 20240510031738.5 2311-8873 20151226b2015####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 4 с. Journal article local Yakovlev D. naukaru.ru