RT Article T1 The effect of collective bargaining on large police agency supplemental compensation policies: 1990-2000 JF Police practice and research VO 9 IS 3 SP 227 OP 238 A1 Briggs, Steven J. A2 Ren, Ling A2 Wilson, Steve A2 Zhao, Jihong 1954- LA English YR 2008 UL https://krimdok.uni-tuebingen.de/Record/1912528118 DO 10.1080/15614260701797496