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1.- ENVIRONMENTAL PROTECTION IN THE MILPO MINE; AN EXPERIENCE IN THE CENTRAL ANDES OF PERU SOCIETY FOR MINING, METALLURGY, AND EXPLORATION; LITTLETON, CO; USA; UNITED STATES, 1998 LATIN AMERICAN PERSPECTIVES; EXPLORATION, MINING, AND PROCESSING Ver registro
2.- The 2010 M (sub w) 8.8 Maule megathrust earthquake of central Chile, monitored by GPS American Association for the Advancement of Science; Washington, DC; USA; United States, 2011 Ver registro
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