Obi, Cyril & Siri Aas Rustad (2011) Introduction: Petro-violence in the Niger Delta - the Complex Politics of an Insurgency, in Oil and Insurgency In the Niger Delta: Managing the Complex Politics of Petro-Violence. London: Zed Books (1–14).
Obi, Cyril; & Rustad, Siri Aas(2011) Conclusion: Amnesty and Post-amnesty Peace, is the Window of Opportunity Closing for the Niger Delta Oil and Insurgency In the Niger Delta: Managing the Complex Politics of Petro-Violence. : (200–210).
The Peace Research Institute Oslo (PRIO) conducts research on the conditions for peaceful relations between states, groups and people.