Nygård, Håvard Mokleiv & Michael Weintraub (2016) Rejecting Peace? Legacies of Violence in Colombia, Conflict Trends, 4. Oslo: PRIO.
Nygård, Håvard Mokleiv & Michael Weintraub (2015) Bargaining Between Rebel Groups and the Outside Option of Violence, Terrorism and Political Violence 27(3): 557–580.
The Peace Research Institute Oslo (PRIO) conducts research on the conditions for peaceful relations between states, groups and people.