1. Murphy, M.J., 1983. “Shaped Charge Penetration in Concrete: A Unified Approach”, University of California, Doctor of Engineering Dissertation.
2. Murphy, M.J., Kuklo, R.M., 1999. “Fundamentals of Shaped Charge Penetration in Concrete,” Proceedings of the 18th International Symposium on Ballistics, San Antonio, TX, USA, pp. 1057 to 1064.
3. Walters, W.P., Zukas, J.A., 1998. “Fundamentals of Shaped Charges”, CMC Press, Baltimore, MD, USA, pp. 310 to 311.