1.- AN OLIGOCENE ANHYDRITE-BEARING ANDESITE FROM THE SAN JUAN VOLCANIC FIELD, COLORADO; A WET, OXIDIZED, AND S-RICH MAGMA IN AN INTRACONTINENTAL SETTING AMERICAN GEOPHYSICAL UNION; WASHINGTON, DC; USA; UNITED STATES, 1999 AGU 1999 FALL MEETING Ver registro 2.- Crystal-rich basaltic andesites of the current Arenal eruption in light of experiments with crystal-poor basalt Mineralogical Society; London; GBR; United Kingdom, 2011 Goldschmidt 2011 abstract volume Ver registro 3.- SULFUR PARTITIONING BETWEEN APATITE AND MELT AND EFFECT OF SULFUR ON APATITE SOLUBILITY AT OXIDIZING CONDITIONS SPRINGER INTERNATIONAL; HEIDELBERG-NEW YORK; III; INTERNATIONAL, 2004 Ver registro