Cox, G.W., & Shugart, M.S. ( 1995). In the absence of vote pooling: Nomination and vote allocation errors in Colombia. Electoral Studies, 14, 441-460.
2.
Pizarro Leongomez, E. ( 2006). Giants with feet of clay: Political parties in Colombia . In S. Mainwaring, A. M. Bejarano, & E. Pizarro Leongomez (Eds.), The crisis of democratic representation in the Andes (pp. 78-99). Palo Alto, CA: Stanford University Press.