1.- A 13+/-3 ka age determination of a tholeiite, Pinacate volcanic field, Mexico, and improved methods for (super 40) Ar/ (super 39) Ar dating of young basaltic rocks Elsevier; Amsterdam; NLD; Netherlands, 2008 Volcanic flows and falls; a special issue to honor Michael F. Sheridan Ver registro 2.- A NEW FOSSIL MAMMAL ASSEMBLAGE FROM THE SOUTHERN CHILEAN ANDES; IMPLICATIONS FOR GEOLOGY, GEOCHRONOLOGY, AND TECTONICS PERGAMON; OXFORD; GBR; UNITED KINGDOM, 2002 Ver registro 3.- Element fluxes from the volcanic front of Nicaragua and Costa Rica American Geophysical Union and The Geochemical Society;; USA; United States, 2007 Ver registro 4.- GEOCHRONOLOGY OF HEMPHILLIAN-BLANCAN AGED STRATA, GUANAJUATO, MEXICO, AND IMPLICATIONS FOR TIMING OF THE GREAT AMERICAN BIOTIC INTERCHANGE UNIVERSITY OF CHICAGO PRESS; CHICAGO, IL; USA; UNITED STATES, 2005 Ver registro 5.- GEOCHRONOLOGY OF THE HONDA GROUP SMITHSONIAN INSTITUTION PRESS; WASHINGTON, DC; USA; UNITED STATES, 1997 VERTEBRATE PALEONTOLOGY IN THE NEOTROPICS; THE MIOCENE FAUNA OF LA VENTA, COLOMBIA Ver registro 6.- MAMMALIAN BIOCHRONOLOGY OF THE ARIKAREEAN THROUGH HEMPHILLIAN INTERVAL (LATE OLIGOCENE THROUGH EARLY PLIOCENE EPOCHS) COLUMBIA UNIVERSITY PRESS; NEW YORK, NY; USA; UNITED STATES, 2004 LATE CRETACEOUS AND CENOZOIC MAMMALS OF NORTH AMERICA; BIOSTRATIGRAPHY AND GEOCHRONOLOGY Ver registro 7.- NEW EVIDENCE FOR LATE MESOZOIC-EARLY CENOZOIC EVOLUTION OF THE CHILEAN ANDES IN THE UPPER TINGUIRIRICA VALLEY (35 DEGREES S), CENTRAL CHILE PERGAMON; OXFORD; GBR; UNITED KINGDOM, 1996 Ver registro 8.- New Pliocene-Pleistocene (super 40) Ar/ (super 39) Ar ages fill in temporal gaps in the Nicaraguan volcanic record Elsevier; Amsterdam; NLD; Netherlands, 2011 Ver registro 9.- New primate genus from the Miocene of Argentina National Academy of Sciences; Washington, DC; USA; United States, 2006 Ver registro 10.- Recent volcanic history of Irazu Volcano, Costa Rica; alteration and mixing of two magma batches, and pervasive mixing Geological Society of America (GSA); Boulder, CO; USA; United States, 2006 Volcanic hazards in Central America Ver registro