%0 Journal Article %T STUDY OF BUILDING INORGANIC MATERIALS BASED ON GYPSUM BY IR SPECTROSCOPY %A Dolgushina, L.V. %A Popova, A.I. %K fire site inspection, fire investigation, laboratory research methods, expert, infrared spectroscopy, instrumental research %J Siberian Fire and Rescue Bulletin %D 2022 %N 2022 %P 6 %I FSBEE HE Siberian Fire and Rescue Academy EMERCOM of Russia