1. National Institute of Standards and Technology, Ballistic Resistance of Body Armor, NIJ Standard-0101.06, National Institute of Justice (2008).
2. ASTM E3004-20a (2020) Standard Specification for Preparation and Verification of Clay Blocks Used in Ballistic-Resistance Testing of Torso Body Armor. ASTM International, West Conshohocken, PA. www.astm.org
3. US Department of Defense Inspector General, DoD Testing Requirements for Body Armor, Report No. D-2009–047 (2009). Arlington, VA
4. National Institute of Justice, Selection and Application Guide to Ballistic-Resistant Body Armor For Law Enforcement, Corrections and Public Safety: NIJ Selection and Application Guide-0101.06 (2014)
5. Certain commercial equipment, instruments, or materials are identified in this paper to foster understanding. Such identification is not intended to imply recommendation or endorsement by the authors or the National Institute of Standards and Technology, nor does it imply that the materials or equipment identified are necessarily the best available for the purpose