1. Arrow, K. J. Social Choice and Individual Values, John Wiley and Sons, New York, 1963.
2. Berge, C. Graphs and Hypergraphs, North Holland Publishing Company, Amsterdam, 1973.
3. Feller, W. An Introduction to Probability Theory and Its Applications, 3rd Ed., John Wiley and Sons, New York, 1968.
4. McKelvey, R. D. ?Intransitivities in Multidimensional Voting Models and Some Implications for Agenda Control,? Journal of Economic Theory, 12, 1976, pp. 472?482.
5. --. ?General Conditions for Global Intransitivities in Formal Voting Models: Some Implications for Agenda Control,? paper presented at March 1977 meetings of Public Choice Society.