TY JOUR TI METHODS OF INCREASING THE SECURITY OF RAILWAY TRANSPORT IN EMERGENCIES KW transport industry KW identification KW risk assessment KW railway transport KW risk management JO Problems of risk management in the technosphere AU Nefed’ev, S.A. AU Nefed’ev, D.S. PY 2014 IS 2014 PB Saint-Petersburg University of State Fire Service of Emercom of Russia