1. E. Ephrati, G. Zlotkin, and J. S. Rosenschein. A non-manipulable meeting scheduling system. In 13th International Workshop on Distributed Artificial Intelligence, 1994.
2. M. R. Garey and D. S. Johnson. Computers and Intractability: A Guide to the Theory of NP-Completeness. Freeman and Co., 1979.
3. I. Greif. Pcal: A personal calendar. Technical Report TR-213, MIT Laboratory for Computer Science, Cambridge, Mass, 1982.
4. C. Kelley, J. F. Chapanis and A. Chapanis. How professional persons keep their calendars: Implications for computarization. Journal of Occupanional Psychology, 55:141–156, January 1982.
5. C. Kincaid, P. Dupont, and A. Kaye. Electronic calendars in the office: An assessment of user needs and current technology. ACM Transactions on Office Information Systems, 3(1), January 1985.