H. Wulf, "Reconstructing the Public Monopoly of Legitimate Force", in Private Actors and Security Governance, A. Bryden, M. Caparini (eds. ), DCAF, 2006.
H. Wulf, “Reconstructing the Public Monopoly of Legitimate Force”, in Private Actors and Security Governance, A. Bryden, M. Caparini (eds.), DCAF, 2006.