3 Lee, Ruby B. Karig, David McGregor, John Patrick Shi, Zhijie 2003 Enlisting Hardware Architecture to Thwart Malicious Code Injection Proceedings of the International Conference on Security in Pervasive Computing (SPC-2003) Boppard, Germany 237-252 March 2003 http://palms.ee.princeton.edu/PALMSopen/lee03enlisting.pdf