John F. Buford Scott M. Stevens Proceedings of the 7th ACM International Conference on Multimedia '99, Orlando, FL, USA, October 30 - November 5, 1999, Part 2. ACM Multimedia 1-58113-239-5 ACM 1999 db/conf/mm/mm1999-2.html http://dl.acm.org/citation.cfm?id=319878