TY JOUR TI WAYS OF IMPROVING THE FIBREBOARD PRODUCTION TECHNOLOGY WITH REDUCED FIRE HAZARD KW fire hazard KW building materials KW pulps JO Problems of risk management in the technosphere AU Ivanov, D.V. AU Petrusheva, N.A. AU Alashkevich, Y.D. PY 2016 IS 2016 PB Saint-Petersburg University of State Fire Service of Emercom of Russia