Susanne, Peters. "
The Future Energy Security Environment: No Alternative to a Radical Shift." In
Energy Security and Security Policy: NATO and the Role of International Security Actors . Kent State University, Geneva, 2004.
Governance: The World Bank’s Experience . Washington, D.C.: The World Bank, 2004.
Collier, Paul, and Anke Hoeffler. "
Greed and Grievance in Civil War."
Oxford Economic Papers 56, no. 4 (2004): 563-595.