TY JOUR TI Use of resource-saving technologies at ventilation of livestock rooms KW breathability KW ventilation KW deflector turbine JO Actual directions of scientific researches of the XXI century: theory and practice AU Andrianov, A.. AU Andrianov, E.A. AU Andrianov, A.A. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov