37 Policing: Int'l J. Police Strat. & Mgmt. 687 (2014) / Policing: An International Journal of Police Strategies and Management, Vol. 37, Issue 3 (2014), pp. 687-693
29 Policing: Int'l J. Police Strat. & Mgmt. 77 (2006) / Policing: An International Journal of Police Strategies and Management, Vol. 29, Issue 1 (2006), pp. 77-91