1. Social Choice and Individual Values;Arrow,1963
2. Approval voting;Brams;Amer. Polit. Sci. Rev.,1978
3. The Theory of Social Choice;Fishburn,1973
4. Symmetric and consistent aggregation with dichotomous voting;Fishburn,1978
5. A proof technique for social choice with variable electorate;Hansson;J. Econ. Theory,1976