TY JOUR TI ASSESS THE FIRE HAZARD OF CARRIAGE OF LIQUEFIED GASES ON RAILWAY TRANSPORT EXERGY METHOD KW liquefied natural gas KW liquified petroleum gas KW exergy KW fire hazard KW heat value KW railway transport JO Problems of risk management in the technosphere AU Koroleva, L.A. AU Ivanov, A.Y. AU Haydarov, A.G. PY 2019 IS 2019 PB Saint-Petersburg University of State Fire Service of Emercom of Russia