1. Social choice and individual values;Arrow,1963
2. Bargagliotti, A., & Saari, D. G. (2009). Symmetry of nonparametric statistical tests on three samples, Working Paper, Institute for Mathematical Behavioral Sciences, University of California, Irvine.
3. The theory of committees and elections;Black,1958
4. The paradox of multiple elections;Brams;Social Choice & Welfare,1998
5. Voting Procedures, Chap. 4;Brams,2002