![Stability of large underground openings under various geological conditions : Fadeev, A B; Kuzevanov, V V; Protopopov, I I; Orlov, Y D; Afanasyev, Y S In: Rock Mechanics: Caverns and Pressure Shafts (papers to the ISRM Symposium, Aachen, 26–28 May 1982)V1, P261–266. Publ Rotterdam: A. A. Balkema, 1982]()
Stability of large underground openings under various geological conditions : Fadeev, A B; Kuzevanov, V V; Protopopov, I I; Orlov, Y D; Afanasyev, Y S In: Rock Mechanics: Caverns and Pressure Shafts (papers to the ISRM Symposium, Aachen, 26–28 May 1982)V1, P261–266. Publ Rotterdam: A. A. Balkema, 19821984