RT Article T1 Knowledge creation, utilization and public policy: how do we know that we know in criminology? JF Criminology & public policy VO 1 IS 2 SP 251 OP 254 A1 Zajac, Gary LA Undetermined YR 2002 UL https://krimdok.uni-tuebingen.de/Record/1639623531 K1 Kriminologische Forschung K1 Politikberatung DO 10.1111/j.1745-9133.2002.tb00089.x