Prezelj, Iztok, Erik Kopa?, Ale? ?iberna, Anja Kolak, and Anton Grizold. "Quantitative monitoring of military transformation in the period 1992?2010: Do the protagonists of transformation really change more than other countries?"  Defence Studies Volume 16, no. 1 (2016): 20-46.

Prezelj, Iztok, Erik Kopa?, Ale? ?iberna, Anja Kolak, and Anton Grizold. Evolutionary Reality of the Policy of Revolution in Military Affairs: Results of a Comparative Study In unpublished paper, Research Project Transforming Defence Policies in Contemporary Security Environment. Ljubljana: University of Ljubljana, 2015.

Prezelj, Iztok, Erik Kopa?, Janja Vuga, Ale? ?iberna, Anja Kolak, and Anton Grizold. "Military Transformation as Perceived by Experts." The Journal of Slavic Military Studies 28, no. 1 (2015).

Prezelj, Iztok, Erik Kopa?, Uro? Svete, and Ale? ?iberna. "Cross-sectoral Scanning of Critical Infrastructures: From Functional Differences to Policy-relevant Similarities." Journal of Homeland Security and Emergency Management 9, no. 1 (2012).