Duke, Simon, and Hanna Ojanen. "Bridging Internal and External Security: Lessons from the European Security and Defence Policy." Journal of European Defence Policy 28, no. 5 (2006): 477-94; quoted at 493.

Ojanen, Hanna. Neutrality and Non-alignment in Europe Today In FIIA Report. Helsinki: Finnish Institute of International Affairs, 2003.

Ojanen, Hanna, Gunilla Herolf, and Rutger Lindahl. Non-Alignment and European Security Policy: Ambiguity at Work. Helsinki and Bonn: Ulkopoliittinen instituutti and Institut für Europäische Politik, 2000.