RT Book T1 Measures of police effectiveness and efficiency T2 Research and planning unit paper A1 Sinclair, Ian A2 Miller, Clive LA English PP London PB Home Office YR 1984 UL https://krimdok.uni-tuebingen.de/Record/025752537 CN HV8196.A2 SN 0862521599 K1 Police : Great Britain : Evaluation K1 Performance standards