TY JOUR TI Development of methodology bases of the network mathematical models transportation and technological flows timber. KW system KW timber KW structure KW technique KW production KW costs KW optimal KW products KW equation KW profit KW cost KW diagram KW algorithm. JO Forestry Engineering Journal AU Burmistrova, O.N. AU Pilnik, Y.N. PY 2017 IS 6 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov