TY CONF TI ABOUT METHODS AND MEANS OF EXTINGUISHING LANDSCAPE FIRES WITH ATMOSPHERIC NITROGEN KW fire protection KW thermomagnetic air separation KW membrane separators KW fire helicopters KW fire airship KW peat nitriding JO SCIENCE AND INNOVATION 2021: DEVELOPMENT DIRECTIONS AND PRIORITIES AU Katin, O.I. AU Belozerov, V.V. AU Nikulin, M.A. AU Voroshilov, I.V. PY 2024 PB AUS PUBLISHERS