1. Beals, B., Calaway, I., 2014. Graph theoretic models of interdependent preferences in referendum elections. Paper presented at MathFest, Portland, OR.
2. CP-nets: A tool for representing and reasoning with conditional ceteris paribus preference statements;Boutilier;J. Artificial Intelligence Res.,2004
3. Separable discrete preferences;Bradley;Math. Social Sci.,2005
4. Voting on referenda: The separability problem and possible solutions;Brams;Elect. Stud.,1997
5. Chew, S., Warner, T.J., 2015. A graph theoretic approach to the character admissibility problem in referendum elections. Paper presented at MathFest, Washington, DC.