1. L. Petry, Monographies de Systemes d'Artillerie, Brussels, 1910.
2. Design of protective structures;Amerikian,1950
3. Army Corps of Engineers, Fundamentals of protective design, Report AT120 7821, 1946.
4. Effect of impact and explosions;National Defence Research Committee,1946
5. A review of procedures for the analysis and design of concrete structures;Kennedy;Nuclear Engineering and Design,1976