K. Flautner, S. Reinhardt, and T. Mudge. MobiCom '01: Proceedings of the 7th annual international conference on Mobile computing and networking, page 260--271. New York, NY, USA, ACM, (2001)
H. Zeng, C. Ellis, A. Lebeck, and A. Vahdat. ATEC '03: Proceedings of the annual conference on USENIX Annual Technical Conference, page 4--4. Berkeley, CA, USA, USENIX Association, (2003)