Risk Assessments of Water Inrush from Coal Seam Floor during Deep Mining Using a Data Fusion Approach Based on Grey System Theory. - Yaru Guo; Shuning Dong; Yonghong Hao; Zaibin Liu; Tian-Chyi Jim Yeh; Wenke Wang; Yaoquan Gao; Pei Li; Ming Zhang (Complex., 2020)