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International Journal of Rock Mechanics & Mining Sciences 39 (2002) 771â788 TBM performance estimation using rock mass classifications M. Sapignia, M. Bertib,*, E. Bethazc,…

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WWW.MILED.COM Don Miled Libien SantiagoDirector General Fundador L.A.E. Gabriela Libien SantiagoDirectora General Toluca, México Miércoles 29 de Enero de 2014 Año…