TY JOUR TI FEATURES OF EMERGENCY SITUATIONS ON MARITIME PORT FACILITIES AND EVALUATION OF FORCES AND MEANS TO ELIMINATE THEM KW seaport KW explosion KW fire KW public safety KW forces and means for emergency response JO Problems of risk management in the technosphere AU Sednev, V.A. AU Nestrugin, A.V. PY 2019 IS 2019 PB Saint-Petersburg University of State Fire Service of Emercom of Russia