RT Book T1 De opsporing van synthetische drugs T2 Politiestudies JF Politiestudies A1 Moerland, Hans A1 Boerman, Frank A2 Boerman, Frank LA Dutch PP Deventer PB Gouda Quint YR 1998 UL https://krimdok.uni-tuebingen.de/Record/1144501385 SN 90-387-0684-7