Donnelly, Christopher. "
Security in the 21st Century: New Challenges and New Responses." In
NATO and New International Relations, 24-26. Zagreb: Atlantic Council of Croatia & Political Culture Publishing and Research Institute, 2004.
Luciani, Giacomo. "
Security of Supply for Natural Gas Markets." In
NDES Working Paper No. 2. Center for European Policy Studies, 2004.
Caparini, Marina. "
Security Sector Reconstruction: Western Balkans." In
Reform and Reconstruction of the Security Sector, 167-68. Münster: LIT Verlag/DCAF, 2004.
Edmunds, Timothy. "
Security Sector Reform: Concepts and Implementation." In
Sourcebook on Security Sector Reform, 50. Belgrade: Goragraf, Geneva Centre for the Democratic Control of Armed Forces, Centre for Civil-Military Relations, Belgrade, 2004.
"
Selected Non-State Armed Groups."
The Military Balance 104, no. 1 (2004): 363-64.