1. African Food Safety and Traceability Conference. April 2007. Available from: http://www.tanzaniagateway.org/.../Kenya_AfricanFoodSafetyTraceabilityConference.pdf. Accessed Jul 29, 2009.
2. AIM Global. 2005. RFID hacking threat overstated. Available from: http://www.aimglobal.org/members/news/templates/template.aspx?articleid=292&zoneid=24. Accessed Aug 20, 2009.
3. AIM Global. 2009. What is RFID? Available from: http://www.aimglobal.org/technologies/rfid/what_is_rfid.asp. Accessed Jul 29, 2009.
4. Arens S. GS1 US. 2009. Personal communication.