1. Federal Cloud Computing Strategy (December 2011), http://www.theresearchpedia.com/sites/default/files/FederalCloudComputingStrategy.pdf
2. National Security Threat List (April 2011), http://www.wright.edu/rsp/Security/T1threat/Nstl.html
3. Multimodal Transport Handbook, UNCTAD 1996 (2002), http://unctad.org/en/docs/c3em20d2_en.pdf
4. Accord Dangereuses Route (March 2012), http://www.unece.org/trans/danger/publi/adr/adr_e.html
5. International Maritime Dangerous Goods Code (March 2012), http://www.imo.org/Pages/home.aspx