00607naa#a2200169#i#450# EN\\bibl\8054 20241104212627.1 2308-8877 20151105b2015####ek#y0engy0150####ca RUS RU Calculation of work process effectiveness factors of plot-maker for plot-deepening formation around stumps Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2015 5 с. Journal article local Pozdnyakov E. zh-szf.ru