TY JOUR TI AN INTEGRATED APPROACH TO EXPERT STUDIES WOOD, PROCESSED FLAME RETARDANT AND ITS CHARRED REMAINS KW flame retardants KW processed flame retardant KW fire protection KW fire retardants KW expertstudies JO Problems of risk management in the technosphere AU Printseva, M.Y. AU Cheshko, I.D. PY 2017 IS 2017 PB Saint-Petersburg University of State Fire Service of Emercom of Russia