TY JOUR TI INCREASING OF AN ENERGY EFFICIENCY AND SECURITY OF VENTILATION ROAD TUNNEL № 6 (SOCHI) KW safety KW tunnel KW energy efficiency KW ventilation KW management JO Scientific and analytical journal «Vestnik Saint-Petersburg university of State fire service of EMERCOM of Russia» AU Gromov, V.N. AU Saratov, D.N. AU Belyakova, L.A. PY 2014 IS 2014 PB Saint-Petersburg University of State Fire Service of Emercom of Russia