Duzgun, H.S.B., and Einstein, H.H. (2004). Assessment and management of roof fall risks in underground coal mines. Safety Science, 42 (1), 23-41. doi:10.1016/S0925-7535(02)00067-X
Duzgun, H.S.B., and Einstein, H.H. (2004). Assessment and management of roof fall risks in underground coal mines. Safety Science, 42 (1), 23-41. doi:10.1016/S0925-7535(02)00067-X