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2. Bittner, E. (1990), “The functions of the police in modern society”, in Bittner, E. (Ed.), Aspects of Police Work, Northeastern University Press, Boston, pp. 120-132.
3. Police use of force: assessing the impact of time and space;Policing and Society,2008
4. Focal concerns and police use of force: examining the factors associated with Taser use;Police Quarterly,2011