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Philosophy and measures for maintaining the stability of underground tunnels in complx rock masses in Jingchuan Mine District II : Fang Zulie Proc International Symposium on Engineering in Complex Rock Formations, Beijing, 3–7 November, 1986p750–756. Publ Beijing: Science Press, 1986


Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
96 KB
Volume
25
Category
Article
ISSN
0148-9062

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