WANG Ming-nian, CHEN Wei-tao, LIU Da-gang, et al. Study of unified standard of rocky and soil surrounding rock sub-classification in road tunnels[J]. 2010, 31(2).
WANG Ming-nian, CHEN Wei-tao, LIU Da-gang, et al. Study of unified standard of rocky and soil surrounding rock sub-classification in road tunnels[J]. 2010, 31(2).DOI: