1. Experiments with the pivot process for providing public goods;Attieh;Public Choice,2000
2. Strong Democracy: Participatory Politics for a New Age;Barber,1985
3. Information and American Democracy: Technology in the Evolution of Political Power;Bimber,2003
4. The Demand and Supply of Public Goods;Buchanan,1968
5. The Calculus of Consent: Logical Foundations of Constitutional Democracy;Buchanan,1962