TY JOUR TI ON THE QUESTION OF JUSTIFICATION OF PNEUMATIC PARAMETERS OF FOREST SEED-CLEANING MACHINES KW forestry KW production stockpiling KW seed-cleaning machine KW pneumatic system KW aspiration channel parameters. JO Modeling of systems and processes AU yakovenko, N.V. PY 2016 IS 9 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov