Biblioteca - Ingemmet

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Young, Chapman

Controlled-foam injection for hard rock excavation - Rotterdam A.A. Balkema 1999 - pp. 115-121 ilus. - t.1 .

Subjects--Topical Terms:
ALTA PRESION
EXCAVACION
FRACTURAS
MECANICA DE ROCAS

Universal Decimal Class. No.: 624.12(082.21)/A48|12