Hansen, P., Thisse, J.-F., & Wendell, R. E. (1990). Equilibrium Analysis for Voting and Competitive Location Problems. In P.B. Mirchandani, R.L. Francis (eds) (ed.), Discrete location theory (p. 479-501 (chap. 11)). Wiley. https://hdl.handle.net/2078.5/203495