1. 18 U.S. Code § 921. Definitions.
2. ASTM E1588-17. (2017). Standard practice for gunshot residue analysis by scanning electron microscopy/energy dispersive x-ray spectrometry. West Conshohocken: ASTM International.
3. Dalby, O., Butler, D., & Birkett, J. (2010). Analysis of gunshot residue and associated materials – A review. Journal of Forensic Sciences, 55(4), 924–943.
4. De Forest, P. (2005). Crime scene investigation. In L. Sullivan & M. Rosen (Eds.), Encyclopedia of law enforcement (pp. 111–116). Thousand Oaks: SAGE.
5. DiMaio, V. (2016). Gunshot wounds. Boca Raton: CRC Press.