La Puntilla Project: Investigations on sociology of centralization in communities of the valley of Nasca (1st millennium BC) - Bardales, Giannina; Castro Martinez, Pedro V.; De La Torre Zevallos, Juan Carlos; Escanilla Artigas, Nicolau; Escoriza Mateu, Trinidad; Godoy Allende, Maria Concepcion; Lapi, Barbara; Navarro Mayor, Israel; Zavala Vargas, Julio Cesar (International Union For Prehistoric and Protohistoric Sciences Proceedings of the Xv World Congress, 2006, Vol 47, 2011)