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Message * Voprosy Povyshenii︠a︡ Bezopasnosti Gornykh Rabot Na Shakhtakh Materialy Nauchno-Prakticheskoĭ Konferent︠s︡ii. Filial Kuzgtu V G. Prokopʹevske, 15-16 Apreli︠a︡ 2003 G - 5202005938 - 9785202005930