Article Title,Year,Volume,Issue,Page Range,Author Urbanization roads and rural population change in the Ecuadorian Andes,1990,25,3,73-89,Richards Immigration as a source of political discontent and frustration in Western democracies,1997,32,3,42-64,Freeman Unrequited Moderation: Credible Commitments and State Repression in Egypt,2010,45,4,468-489,Brownlee