1. Prather , R.N. Swann , C.L. Hawkins , C.E. 1977 “Backface Signatures of Soft Body Armors and the Associated Trauma Effects,” Army Armament Research and Development Command Aberdeen Proving Ground Md Chemical Systems Laboratory
2. Committee to Review the Testing of Body Armor Materials for Use by the U.S. Army “Testing of Body Armor Materials for Use by the U.S. Army - Phase II: Letter Report,” National Academy of Sciences 2010
3. National Institute of Standards and Testing Ballistic Resistance of Body Armor, NIJ Standard 0101.06, NCJ 223054 2008
4. Brennan , R. “Ultrasonic Nondestructive Evaluation of Armor Ceramics”, Ph.D. Thesis, Rutgers University 2007