Written testimony submitted to the House Financial Services Committee, Subcommittee on Oversight and Investigations, and the House Homeland Security Committee, Subcommittee on Intelligence, Information Sharing, and Terrorism Risk Assessment on July 25, 2006.
Willis, Henry H., Analyzing Terrorism Risk. Santa Monica, CA: RAND Corporation, 2006. https://www.rand.org/pubs/testimonies/CT265.html.
Willis, Henry H., Analyzing Terrorism Risk, Santa Monica, Calif.: RAND Corporation, CT-265, 2006. As of October 06, 2021: https://www.rand.org/pubs/testimonies/CT265.html