Peru and America and its Role in Integral and Sustainable Development (original in Spanish) (Proyecto Especial Arqueológico Caral-Supe/INC, Lima, Peru), No. 4, 1–69. Shady, R., and Lopez, S. (2000 [1999]). "Ritual de enterramiento de un recinto en el sector residencial A en Caral Supe." In El perıodo arcaico en el Perú: Hacia una definición de los orígenes,'' ed. P. Kaulicke, 187–212. Lima: Pontifıcia Universidad Catolica del Peru. External links features 3-D renderings of major monument; accessed 24 January 2017 UNESCO – Sacred City of Caral-Supe (World Heritage) The History of the Quipu: South America's Writing Technology : Quipu Knotted String Technology Record Keeping at Least 1,200 Years Old Transcript of BBC Horizon program about Caral; accessed 24 January 2017 Gigapan Caral high resolution panorama of Caral La Zona Arqueológica Caral Andean civilizations Archaeological sites in Peru Pyramids in Peru Former populated places in Peru World Heritage Sites in Peru Archaeological sites in Lima Region Tourist attractions in Lima Region Andean preceramic Norte Chico civilization 27th-century BC establishments