1.- A high-resolution biogenic silica record from Lake Titicaca, Peru-Bolivia; South American millennial-scale climate variability from 18-60 Kya American Geophysical Union; Washington, DC; USA; United States, 2004 AGU 2004 fall meeting Ver registro 2.- Glaciation and hydrologic variability in tropical South America during the last 400,000 years American Geophysical Union; Washington, DC; USA; United States, 2005 AGU 2005 fall meeting Ver registro 3.- Millennial climate variability in tropical South America American Geophysical Union; Washington, DC; USA; United States, 2005 AGU 2005 fall meeting Ver registro 4.- Multi-decadal to millennial scale Holocene hydrologic variation in the Southern Hemisphere tropics of South America American Geophysical Union; Washington, DC; USA; United States, 2005 AGU 2005 fall meeting Ver registro
