00669naa#a2200205#i#450# EN\\bibl\5731 20240906061215.5 2308-8877 20150318b2015####ek#y0engy0150####ca RUS RU Systematic approach to study on upgrading the logging machines 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 Kamalova Nina Evsikova Natalya Popikov Viktor Petrovich Fursov S. naukaru.ru