1.- A CLOSELY-SPACED MAGNETOTELLURIC STUDY OF THE AHUACHAPAN-CHIPILAPA GEOTHERMAL FIELD, EL SALVADOR PERGAMON PRESS; OXFORD - NEW YORK; III; INTERNATIONAL, 1997 AHUACHAPAN-CHIPILAPA GEOTHERMAL FIELDS, EL SALVADOR Ver registro 2.- DIPOLE-DIPOLE RESISTIVITY IMAGING OF THE AHUACHAPAN-CHIPILAPA GEOTHERMAL FIELD, EL SALVADOR PERGAMON PRESS; OXFORD - NEW YORK; III; INTERNATIONAL, 1997 AHUACHAPAN-CHIPILAPA GEOTHERMAL FIELDS, EL SALVADOR Ver registro