00578naa#a2200169#i#450# EN\\bibl\8049 20241126100435.2 2308-8877 20151105b2015####ek#y0engy0150####ca RUS RU Simulation model of automatic control system of unmanned aircraft helicopter type 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 Melnik N. zh-szf.ru