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New development in tunnel support systems : Dickson, M G Excavate and Support in the 90s, Proc SANCOT Seminar 1990, South Africa, November 1990P131–135. Publ South Africa: Goldfields Press, 1990


Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
115 KB
Volume
29
Category
Article
ISSN
0148-9062

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