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1.- PANEL CAVING EXPERIENCES AND MACROTRENCH (MACROZANJA); AN ALTERNATIVE EXPLOITATION METHOD AT THE EL TENIENTE MINE, CODELCO-CHILE AUSIMM - AUSTRALASIAN INSTITUTE OF MINING AND METALLURGY; PARKVILLE, VICTORIA; AUS; AUSTRALIA, 2000 MASSMIN 2000; PROCEEDINGS Ver registro
2.- SOME REMARKS ON THE BACKUS PROBLEM IN GEODESY 1996 Ver registro
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