00596naa#a2200169#i#450# EN\\bibl\4407 20241218205826.3 2308-8877 20141207b2014####ek#y0engy0150####ca RUS RU Rationale parameters of working bodies of tillers with variable angles of working surfaces Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2014 4 с. Journal article local Makarenko Andrey N. zh-szf.ru