1. An evaluation of earthquake risk to Inca's historical constructions;Cuadra,2004
2. Seismic damage to stone structures in Machu Picchu;Cuadra,2008
3. Lost city of the Incas: The story of Machu Picchu and its builders;Bingham,1948
4. Vulnerability of Machu Picchu citadel 100 years after its scientific discovery;Cuadra,2011
5. Structural condition of Peruvian heritage architecture to resist earthquake actions;Cuadra,2015