1. Bryan, K., 1954. The Geology of Chaco Canyon, New Mexico in Relation to the Life and Remains of the Prehistoric Peoples of Pueblo Bonito. Smithsonian Miscellaneous Collections 122, No. 7. The Smithsonian Institution, Washington, DC, 65 pp.
2. Landslide types and processes;Cruden,1996
3. EM-DAT, 2010. The OFDA/CRED International Disaster Database. Université Catholique de Louvain, Brussels, Belgium. http://www.emdat.be (accessed January 2011).
4. EPOCH, 1993. Temporal Occurrence and Forecasting of Landslides in the European Community. European Commission, Bruxelles, 3 vols., Contract No. 90 0025.
5. Landslides triggered by the 1949 Khait earthquake, Tajikistan, and associated loss of life;Evans;Engineering Geology,2009