Tzvetkov, Georgi, Philip Spassov, Vesselin Petkov, and Todor Tagarev. Albania: Capabilities, Organisations, Policies, and Legislation in crisis management and disaster response In IT4Sec Reports. Sofia: Institute of Information and Communication Technologies, 2015.

Spassov, Philip. Estonia: Capabilities, Organisations, Policies, and Legislation in crisis management and disaster response In IT4Sec Reports. Sofia: Institute of Information and Communication Technologies, 2015.

Spassov, Philip, and Vesselin Petkov. Latvia: Capabilities, Organisations, Policies, and Legislation in crisis management and disaster response In IT4Sec Reports. Sofia: Institute of Information and Communication Technologies, 2015.

Spassov, Philip, and Todor Tagarev. Lithuania: Capabilities, Organisations, Policies, and Legislation in crisis management and disaster response In IT4Sec Reports. Sofia: Institute of Information and Communication Technologies, 2015.

Spassov, Philip. "NATO, Russia and European Security: Lessons Learned from Conflicts  in Kosovo and Libya." Connections: The Quarterly Journal 13, no. 3 (2014): 21-40.