Chen, I-Te. Studies on Proxy Signatures with/without Proactive Property In
Department of Computer Science, College of Computer Science . Vol. Doctor of Philosophy in Computer Science. HsinChu, Taiwan, Republic of China: National Chiao Tung University, 2005.
Weiss, Martin A.. Terrorist Financing: The 9/11 Commission Recommendation In
CRS Report for Congress. Washington, D.C.: Congressional Research Service, 2005.