TY JOUR TI ANALYSIS OF THE FREQUENCY OF FIRES IN BUILDINGS VARIOUS FUNCTIONAL PURPOSE KW fire KW frequency of fires KW fire risks KW fire statistics KW degree of fire resistance JO Problems of risk management in the technosphere AU Rashoyan, I.I. AU Brunner, T.A. PY 2017 IS 2017 PB Saint-Petersburg University of State Fire Service of Emercom of Russia