1. Verdel T. Géotechnique et monuments historiques, méthodes de modélisation appliquées à des cas égyptiens [in French]. Phd thesis, INPL-Ecole des Mines, Nancy, France; 1993
2. Stability of the Colossus of Memnon: preliminary geotechnical study;Verdel,1991
3. El Shabrawi A, Verdel T. The seismic risk on ancient masonry structures by the use of the distinct element method. Unrefereed paper; 1993
4. Casciati S. Analisi di pericolosità, fragilità sismica ed ipotesi di adeguamento per uno dei colossi di Memmone [in Italian]. Msd thesis, Department of Structural Mechanics, University of Pavia, Italy 2001
5. Geotechnical earthquake engineering;Kramer,1996