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China Mining Magazine
1004-4051
1994 Issue 2
zhu lv ji dui meng jing kuang guo lv xing neng de ying xiang
wang wei xing
..............
page:59-63
ye jin keng nei kuang duo ji ji zhan tong feng xi tong she ji
yu yao guo
..............
page:46-50
guan yu quan wei sha su ning gu hua chong tian cai liao xing neng de shi yan yan jiu
sun heng hu
..............
page:26-31
