1. A five-step strategy for the 3D revolution. (2011).Managing intellectual property. Retrieved from http://0-search.proquest.com.library.alliant.edu/docview/912035238?accountid=25255
2. Arms Export Control Act, 22 USC § 2778 (2010).
3. Bernstein, D. J. (n.d.). Summary of the case status. Retrieved July 12, 2013, from http://cr.yp.to/export/status.html
4. Bernsteinv.U.S. Dept. of Justice, 176 F.3d 1132 (1999).
5. Bilton, R. (2013). Make anything: Why 3D printed guns fulfill the promise of 3D printing. Retrieved June 1, 2013, from http://venturebeat.com/2013/05/10/make-anything-why-3d-printed-guns-fulfill-the-promise-of-3d-printing/1/6