RT Article T1 Police information retrieval systems and the role of electronic data processing JF Police research in the Federal Republic of Germany SP 241 OP 252 A1 Rebscher, E. A2 Rohrer, F. LA English YR 1991 UL https://krimdok.uni-tuebingen.de/Record/1526067331 SN 3540503951 K1 Polizeiliche Informationssysteme