RT Article T1 Variability of crime clearance among police agencies JF Police quarterly VO 22 IS 1 SP 82 OP 111 A1 Scott, Thomas L. A1 Vovak, Heather A1 Lum, Cynthia A1 Wellford, Charles F. A2 Vovak, Heather A2 Lum, Cynthia A2 Wellford, Charles F. LA English YR 2019 UL https://krimdok.uni-tuebingen.de/Record/1912740907 DO 10.1177/1098611118796597