Gleditsch, Kristian Skrede & Kyle Beardsley (2010) Core Issues in International Data Collection, in Diehl, Paul F.; & James D. Morrow, eds, International Studies Encyclopedia, Volume on Scientific Study of International Processes. New York: .
Professor, Department of Government, University of Essex
Assistant Professor of Political Science at Emory University
The Peace Research Institute Oslo (PRIO) conducts research on the conditions for peaceful relations between states, groups and people.