00677naa#a2200193#i#450# EN\\bibl\10071 20241125060119.1 2308-8877 20151203b2015####ek#y0engy0150####ca RUS RU Comparative study of the process of forestry rippers with passive and active drive of working tools 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 Shabanov M. L. Lysych Mikhail Nikolaevich Ikonnikov R. naukaru.ru