Müller, L. (1968). New considerations on the Vaiont slide. Rock MechEngGeol, 6:1-91.
 Ashby, J. (1971). Sliding and toppling modes of failure in models and jointed rock slopes. M Sc thesis Imperial College University of London.
 Turner, AK., Schuster, RL. (1996). Landslides. Investigation and mitigation. National Academy Press.
 Choquet, P.,Tanon, DDB. (1985). Nomograms for the assessment of toppling failure in rock slopes. 26th US Symposium on Rock Mechanics Rapid City, 19-30.
 Hoek, E., Bray, J. (1977). Rock Slope Engineering. 1st edn IMM London.
 Zanbak, C. (1984). Design charts for rock slopes susceptible to toppling. Geotechnical Engineering, Vol. 109, No. 8, 1039-1062.
 Goodman, RE., Bray, JW. (1976). Toppling of rock slopes. ASCE Specialty Conference on Rock Engineering for Foundations and Slopes Boulder Colorado, 2:201-234.
 Wyllie, DC. (1980). Toppling rock slope failures examples of analysis and stabilization. Rock Mech, 13(2): 89-98.
 Aydan, Ö. (1989). The stabilisation of rock engineering structures by rockbolts. Doctorate Thesis, Nagoya University, 204 pages.
 Aydan,Ö., Kawamoto, T. (1992). Stability of slopes and underground openings against flexural toppling and their stabilization. Rock Mech Rock Engng, 25(3):143-165.
 Bobet, A. (1999). Analytical solutions for toppling failure (Technical Note). Int J Rock Mech MinSci, 36: 971–80.
 Sageseta, C., Sanchez, JM., Caizal, J. (2001). A general solution for the required anchor force in rock slopes with toppling failure. Int J Rock MechMin.Sci, 38:421–35.
 Adhikary, DP., Dyskin, AV., Jewell, RJ., Stewart, DP. (1997). A Study of the Mechanism of Flexural Toppling Failure of Rock Slopes. Rock Mech Rock Engng, 30(2):75-93.
 Adhikary, DP., Guo, H. (2002). An orthotropic Cosseratelasto-plastic model for layered rocks. Rock Mech Rock Engng, 35(3):161–170.
 Amini, M., Majdi, A., Aydan, Ö. (2008). Stability Analysis and the Stabilization of Flexural Toppling Failure. Rock Mech Rock Engng, 42(5):751-782.
 Amini, M. (2009). Dynamic and static slope stability analysis and stabilization of flexural toppling failure (Theoretically, experimentally and case histories). Ph.D. thesis, University of Tehran, Tehran, Iran.
 Aydan,Ö., Amini, M. (2009). An experimental study on rock slopes against flexural toppling failure under dynamic loading and some theoretical considerations for its stability assessments. the school of marine science and technology Tokai university, 7(2): 25-40.
 Amini, M., Majdi, A., Veshadi, MA. (2012). Stability analysis of rock slopes against block-flexure toppling failure. Rock Mechanics and Rock Engineering, 45(4):519-532.
 Brideau, M., Stead, D. (2009). Controls on block toppling using a three dimensional distinct element approach. Rock Mech Rock Engng, DOI 10.1007/s00603-009-0052-2.
 Majdi, A., Amini, M. (2010). Analysis of geo-structural defects in flexural toppling failure. In J Rock Mech Min Sci, 48(2):175-186.
 Brideau M-A, Stead D (2009) Controls on block toppling using athree-dimensional distinct element approach. Rock Mech Rock Eng 43:241–260.
 E. Mohtarami E., Jafari A. and Amini M. (2014) Stability analysis of slopes against combined circular–toppling failure. International Journal of Rock Mechanics & Mining Sciences 67 (2014) 43–56.
 Amini M. and Akbarpour T. (2014) stability analysis of rock slopes facing dam lakes against block toppling failure. Iranian Journal of mining engineering, Vol. 9, No. 22, 52-64.
 Alejano, L.R., Carranza-Torres, C., Giani, G.P., Arzua, J. (2015). Study of the stability againsttoppling of rock blocks with rounded edges based on analytical and experimental approaches. Engineering Geology 195, 172-184.
 Egger, P. (1983). A new development in the base friction technique. CollPhysGeomech Models ISMES, 67-87, Bergamo.
 Altaee, A., Fellenius, BH. (1994). Physical modeling in sand. Can Geotech J 1994; 31: 420-431.