TY JOUR TI Systems of heat and air supply of hermetic buildings KW systems of a heat and air supply KW design concepts KW hermetic buildings JO Actual directions of scientific researches of the XXI century: theory and practice AU Dobrosoltseva, E.. AU Lipko, V.. AU Sinyukovich, E.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov