1. Knock C. A study of the bounce, roll of projected masonry debris. Literature survey. DEOS, RMCS, Cranfield University. Shrivenham, England. 1998 report no. DEOS/CK/357/98.
2. Ricochet of spheres off water;Johnson;J Mech Eng Sci,1975
3. DTEO Trial report: ESTC blast investigation—round 4, vol. 1. DTEO, Shoeburyness, STN 11900(4). Restricted. 1997.
4. DTEO Trial report: ESTC blast investigation—round 4, vol. 2. DTEO, Shoeburyness, STN 11900(4). Restricted. 1997.
5. A model to estimate forces on conical penetrators into dry porous rock;Forrestal;J Appl Mech,1981