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Rock support in mining and underground construction /

Rotterdam : A. A. Balkema, 1992 .
706 pages : , Papers presented: International Symposium on Rock Support, Sudbury, Ontario, Canadá, 16-19 June 1992.

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Shotcrete for underground support IV /

New York, N.Y. : Engineering Foundation, 1982 .
191 pages : , Selected papers presented at the 1982 Engineering Conference Paipa, Boyacá, Colombia 0939204274

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