1. C.J.C.E Fijnaut (ed.), The Internationalization of Police Cooperation in Western Europe, Arnhem (1993) SMP-Cahrer; 6 at 9.
2. M den Boer and N. Walker, European Policing after 1992, 31 Journal of Common Market Studies (1993) 3–28.
3. J. Benyon, L. Tumbull, A. Willis, R. Woodward and A. Beck, Police Cooperation in Europe: An Investigation (1993) at 351.
4. B. Hebenton and T. Thomas, Policing Europe: Co-operation, Conflict and Control (1995) at 40.
5. European Treaties Series, no. 141.