1985-86: Student at PRIO1988-89: CO at PRIO, at the Naval Arms Control project
Gjelstad, Jørn & Olav Njølstad (1995) Nuclear Rivalry and International Order. London.
Njølstad, Olav; & Nils Petter Gleditsch, eds, (1990) Arms Races. Technological and Political Dynamics. London.
The Peace Research Institute Oslo (PRIO) conducts research on the conditions for peaceful relations between states, groups and people.