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1.- GEOLOGIC SETTING AND GEOCHEMICAL CONTROLS OF THE DISTRIBUTION OF GOLD IN THE PORTUGUESE PYRITE BELT U. S. GEOLOGICAL SURVEY; RESTON, VA; USA; UNITED STATES, 1998 GEOCHEMICAL STUDIES OF RARE EARTH ELEMENTS IN THE PORTUGUESE PYRITE BELT, AND GEOLOGIC AND GEOCHEMICAL CONTROLS ON GOLD DISTRIBUTION Ver registro
2.- GIS-BASED LANDSLIDE SUSCEPTIBILITY MAPPING MODELS APPLIED TO NATURAL AND URBAN PLANNING IN TRIKALA, CENTRAL GREECE 2009 Ver registro
3.- United States-Mexican borderlands; facing tomorrow's challenges through USGS science U. S. Geological Survey; Reston, VA; USA; United States, 2013 Ver registro
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