Håkan L. S. Younes, Reid G. Simmons. Solving Generalized Semi-Markov Decision Processes Using Continuous Phase-Type Distributions. In Deborah L. McGuinness, George Ferguson, editors, Proceedings of the Nineteenth National Conference on Artificial Intelligence, Sixteenth Conference on Innovative Applications of Artificial Intelligence, July 25-29, 2004, San Jose, California, USA. pages 742-748, AAAI Press / The MIT Press, 2004.