%0 Journal Article %A Cao, Zhengzheng %A Zhou, Yuejin %D 2015 %J Computers, Materials \& Continua %@ 1546-2226 %V 48 %N 2 %P 77--90 %T Research on Coal Pillar Width in Roadway Driving Along Goaf Based on The Stability of Key Block %M doi:10.3970/cmc.2015.048.077 %U http://www.techscience.com/cmc/v48n2/33475