1. Aitken MJ, Webster G, Rees A (1958) Magnetic prospecting. Antiquity 32:270–271
2. Aspinall A, Gaffney C, Schmidt A (2008) Magnetometry for archaeologists. Geophysical methods for archaeology. Altamira Press, Lanham, pp 189–201
3. Best M, Bobrowsky P, Douma M, Carlotto V, Pari W (2009) Geophysical surveys at Machu Picchu, Peru: results for landslide hazard investigations. In: Sassa K, Canuti P (eds) Landslides—disaster risk reduction. Springer, Berlin, pp 265–273
4. Bonomo N, Osella A, Ratto N (2010) Detecting and mapping buried buildings with ground-penetrating radar at an ancient village in northwestern Argentina. J Archaeol Sci 37:3247–3255
5. Carlotto V, Cardenas J, Fidel L (2009) La Geologia, evolucion geomorfologica y geodinamica externa de la ciudad Inca de Machupicchu, Cusco-Perù. Rev Asoc Geol Argent 65(4):725–747