TY JOUR TI GAS DYNAMIC CALCULATIONS GAS NETWORKS LOW PRESSURE WITH THE USE OF CAD KW gas KW gas network design KW gas-dynamic calculation software packages JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Suslov, D.Y. AU Vyrodov , G.. PY 2016 IS 1 PB Belgorod State Technological University named after V.G. Shukhov