Geoarchaeological evidence from desert loess in the Nazca-Palpa region, southern Peru: Palaeoenvironmental changes and their impact on Pre-Columbian cultures - Eitel, Bernhard; Hecht, Stefan; Mächtle, Bertil; Schukraft, Gerd; Kadereit, Annette; Wagner, Günther A. (Archaeometry, 2005)