1. Agrawal, R. , A. Cheung , K. Kailing and S. Schönauer “Towards Traceability across Sovereign, Distributed RFID Databases,” 2009. Available at http://www.almaden.ibm.com/cs/projects/iis/hdb/Publications/papers/ideas06.pdf (Accessed March 20, 2009).
2. Production, Information Costs, and Economic Organization;Alchian;American Economic Review,1972
3. California Food Emergency Response Team. “Investigation of an Escherichia coli O157:H7 Outbreak Associated with Dole Pre-Packaged Spinach,” 2008. Available at http://www.dhs.ca.gov/fdb/local/PDF/2006%20Spinach%20Report%20Final%20redacted.PDF (Accessed November 12, 2008).