Re Kühl, Guillermo Eduardo Landsat thematic mapper band ratio discrimination of altered and unaltered volcanic rocks in the Andes of Argentina, Bolivia and Chile Re Kühl, Guillermo Eduardo - [Ithaca] Cornell University 1992 - xiv, 169 h. il 29 cm Tesis Subjects--Topical Terms: roca volcánica Subjects--Geographic Terms: ArgentinaChileBolivia Universal Decimal Class. No.: 549