El Niño-Southern Oscillation signal in the world's highest-elevation tree-ring chronologies from the Altiplano, Central Andes

Article in the special issue "Long-Term Multi-Proxy Climate Reconstructions and Dynamics in South America (LOTRED-SA): State of the Art and Perspectives", which is the conference proceedings from the PAGES Workshop "Reconstructing Past Regional Climate Variations in South America over the late Holocene", held 4-7 October 2006, in Mendoza, Argentina.