RT Book T1 Traffic investigation and enforcement A1 Schultz, Donald O. A1 Hunt, Derald D. A2 Hunt, Derald D. LA English PP Costa Mesa, Calif. PB Custom Pub. Co. YR 1983 UL https://krimdok.uni-tuebingen.de/Record/1090722184 OP 242 CN 363.2/332/0973