TY JOUR TI EFFICIENCY OF TECHNOLOGICAL PROCESS OF FORESTRY AND DEGREE EFFECTS OF TECHNOLOGICAL AND NATURAL FACTORS KW low-disturbed forest areas KW technological and environmental factors KW timber exploitation KW harvesting technology KW environmental requirements. JO Forestry Engineering Journal AU Garus, I.A. AU Yan', S.. PY 2017 IS 7 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov