1. Bouncing Bullets, October 1963. FBI Law Enforcement Bulletin, vol. 38, pp. 1–9.
2. Bullet ricochet: a comprehensive review;Burke;J. Forensic Sci.,1992
3. Ernest, R. A Long Distance Shooting Case – A Mile Long Ricochet? In: AFTE Training Seminar 2016, New Orleans, LA.
4. Ricochet dynamics for the nine-millimetre Parabellum bullet;Gold;J. Forensic Sci.,1992
5. Bullet ricochet: an empirical study and device for measuring ricochet angle;Haag;AFTE J,1975