1. AG Boden, 2005. Bodenkundliche Kartieranleitung. 5. Auflage. Schweizerbart, Stuttgart.
2. Baade, J., Hesse, R., in print. An overlooked sediment trap in arid environments: ancient irrigation agriculture in the coastal desert of Peru. In: Sediment Dynamics in Changing Environments (Proceedings of a symposium held in Christchurch, New Zealand, December 2008). IAHS Publ. 325, 2008.
3. Beresford-Jones, D.G., 2004. Pre-Hispanic Prosopis–human relationships on the south coast of Peru: riparian forests in the context of environmental and cultural trajectories of the lower Ica valley. Dissertation, University of Cambridge.
4. Die Entwicklung der Oase San Pedro de Atacama, Chile;Bork;Petermanns Geographische Mitteilungen,2002
5. Radiocarbon calibration and analysis of stratigraphy: the OxCal program;Bronk Ramsey;Radiocarbon,1995