1.- A case of homonymy in fossil verrucid barnacles; Verruca withersi (Crustacea, Thoracica) Nationaal Natuurhistorisch Museum; Leiden; NLD; Netherlands, 2005 Ver registro 2.- A study of modern erosion rates in the Colombian Andes, a necessary strategy to strengthening the geology curricula and implementing long-term geomorphology research in rural scenarios Geological Society of America (GSA); Boulder, CO; USA; United States, 2006 Geological Society of America, 2006 annual meeting Ver registro 3.- Ag-rich tetrahedrite in the El Zancudo Deposit, Colombia; occurrence, chemical compositions and genetic temperatures Wiley-Blackwell on behalf of the Society of Resource Geology; Oxford; GBR; United Kingdom, 2010 Ver registro 4.- Alteracion fisica de los fragmentos de matriz y de los vidrios volcanicos ;Physical alteration in matrix fragments and volcanic glasses Academia Colombiana de Ciencias Exactas, Fisicas y Naturales; Bogota; COL; Colombia, 2006 Ver registro 5.- Andorite VI and owyheeite from the El Zancudo Deposit, Colombia; chemistry and structure University of Szeged, Department of Mineralogy, Geochemistry and Petrology; Szeged; HUN; Hungary, 2010 IMA2010; 20th general meeting of the International Mineralogical Association; abstracts Ver registro 6.- Assessing the hydrochemistry of the Uraba Aquifer, Colombia by principal component analysis Elsevier; Amsterdam-New York; III; International, 2013 Ver registro 7.- BREVE HISTORIA DE LA CARTOGRAFIA GEOLOGICA EN EL DEPARTAMENTO DE ANTIOQUIA, COLOMBIA ;BRIEF HISTORY OF GEOLOGICAL MAPPING IN THE ANTIOQUIA DEPARTMENT, COLOMBIA ACADEMIA COLOMBIANA DE CIENCIAS EXACTAS, FISICAS Y NATURALES; BOGOTA; COL; COLOMBIA, 2003 Ver registro 8.- Casabe; new tricks for an old field Schlumberger; Houston, TX-Cambridge; III; International, 2010 Ver registro 9.- CODIFICACION SISMOLOGICA DE UN SEGMENTO DE LA FALLA CAUCA - ALMAGUER Y SUS APLICACIONES EN EL DEPARTAMENTO DE ANTIOQUIA ;SEISMOLOGICAL CODIFICATION OF A SEGMENT OF THE CAUCA-ALMAGUER FAULT AND ITS APPLICATIONS IN THE DEPARTMENT OF ANTIOQUIA ACADEMIA COLOMBIANA DE CIENCIAS EXACTAS, FISICAS Y NATURALES; BOGOTA; COL; COLOMBIA, 2003 Ver registro 10.- COMPOSICION MINERALOGICA Y QUIMICA DE LAS ARCILLAS EMPLEADAS PARA CERAMICA ROJA EN LAS ZONAS DE MEDELLIN, ITAGUEI Y AMAGA ;MINERAL AND CHEMICAL COMPOSITION OF THE CLAY USED FOR RED CERAMIC MATERIALS IN THE AREAS OF MEDELLIN, ITAGUI AND AMAGA ACADEMIA COLOMBIANA DE CIENCIAS EXACTAS, FISICAS Y NATURALES; BOGOTA; COL; COLOMBIA, 2004 Ver registro
