1.- (SUPER 40) AR/ (SUPER 39) AR AGE AND COMPOSITION OF TEKTITES FROM BELIZE GEOLOGICAL SOCIETY OF AMERICA (GSA); BOULDER, CO; USA; UNITED STATES, 1995 GEOLOGICAL SOCIETY OF AMERICA, 1995 ANNUAL MEETING Ver registro 2.- ¿QUE EDAD TIENE? 2001 Ver registro 3.- ALTERATION PROCESSES IN HIPO BENTONITE DEPOSIT, SAN JUAN PROVINCE, ARGENTINA [INTERNATIONAL GEOLOGICAL CONGRESS]; [LOCATION VARIES]; III; INTERNATIONAL, 2000 BRAZIL 2000; 31ST INTERNATIONAL GEOLOGICAL CONGRESS; ABSTRACTS VOLUME Ver registro 4.- Behind-the-front rhyolitic volcanism in southeastern Guatemala Geological Society of America (GSA); Boulder, CO; USA; United States, 2007 Geological Society of America, 2007 annual meeting Ver registro 5.- CHARACTERIZATION AND ORIGIN OF OBSIDIANS FROM COLOMBIAN AND ECUADORIAN ARCHAEOLOGICAL SITES CAMBRIDGE PUBLICATIONS; CAMBRIDGE; GBR; UNITED KINGDOM, 1999 EUROPEAN UNION OF GEOSCIENCES CONFERENCE ABSTRACTS; EUG 10 Ver registro 6.- COMPARATIVE GEOCHEMICAL STUDIES OF OBSIDIAN SAMPLES FROM VARIOUS LOCALITIES [INTERNATIONAL GEOLOGICAL CONGRESS]; [LOCATION VARIES]; III; INTERNATIONAL, 2004 ITALIA 2004; 32ND INTERNATIONAL GEOLOGICAL CONGRESS; ABSTRACTS Ver registro 7.- Compositional gradients surrounding spherulites in obsidian and their relationship to spherulite growth and lava cooling Springer International [for the] International Association of Volcanology and Chemistry of the Earth, 2012 Ver registro 8.- Cristobalite in a rhyolitic lava dome; evolution of ash hazard Springer International [for the] International Association of Volcanology and Chemistry of the Earth, 2010 Ver registro 9.- Crystal poor, multiply saturated rhyolites (obsidians) from the Cascade and Mexican arcs; evidence of degassing-induced crystallization of phenocrysts Springer International; Heidelberg - New York; III; International, 2013 A collection of papers honoring the career and legacy of Ian S. E. Carmichael Ver registro 10.- Degassing of Cl, F, Li, and Be during extrusion and crystallization of the rhyolite dome at Volcan Chaiten, Chile during 2008 and 2009 Springer International [for the] International Association of Volcanology and Chemistry of the Earth, 2012 Ver registro