TY JOUR TI MODERN APPROACHES, MEANS AND TECHNIQUES OF RESCUING MINERS TRAPPED IN ENTRIES KW entries KW collapse KW watersealing KW rescue operations KW access KW rescue means KW special rescue wells KW flowsheet of a mine JO Problems of risk management in the technosphere AU Nikolaev, A.V. AU Govorukhin, Y.M. AU Senkus, V.V. PY 2026 IS 2025 PB Saint-Petersburg University of State Fire Service of Emercom of Russia