Zaro, Gregory and Adan Umire Alvarez. “Late Chiribaya Agriculture and Risk Management along the Arid Andean Coast of Southern Peru, A.D. 1200-1400.” Geoarchaeology 20/7 (2005): 717-737.

Zaro, Gregory and Adan Umire Alvarez. “Late Chiribaya Agriculture and Risk Management along the Arid Andean Coast of Southern Peru, A.D. 1200-1400.” Geoarchaeology 20/7 (2005): 717-737.