1. 1.  Matthys Levy & Mario Salvadori (1992), “Why buildings fall down: how structures fail”, pp. 207-217, 1992.
   2. Pearson C and Delatte , “Lessons learned from the progressive collapse of the Ronan Point Apartment Tower,” Forensic Engineering Proceedings of the Third Congress, October 19-21, 2003.
   3. Corley. W. G., Mlakar, P.F., Sozen M.A. and Thornton, C.H., “the Oklahoma City Bombing, structural details and possible mechanisms for the Murrah building”, Journal of performance of constructed Facilities, 12(3) pp 120-136, 1998.
   4. Mohammed Almarwae, “Structural failure of buildings: Issues and Challenges”, World Scientific News, pp 97-108, 2017
   5. Bangladesh Building Collapse image TNYT (2013) „Report on deadly factory collapse in Bangladesh finds widespread blame‟ appears in The New York Times dt 22/05/2013
   6. Canacona Residential building collapse image
   7. Hu K., Jiang L., Zheng L., Pang W., Xilin L. Ge Q. , “Study on progressive collapse Mechanism of RC structures”, 5th International Conference on Advanced Design and Manufacturing Engineering. pp 1020-1030, 2015.
   8. General Services Administration (GSA), Alternate Path Analysis & Design Guidelines for Progressive Collapse Resistance Washington, DC October 24, 2013 Revision 1, January 28, 2016.