Experiments and simulations of penetration into granite by an aluminum shaped charge M.J. Murphy, G. Randers-Pehrson, R.M. Kuklo, T.A. Rambur, L.L. Switzer et M.A. Summers J. Phys. IV France, 110 (2003) 603-608 DOI: 10.1051/jp4:20020759