RT Book T1 The incidence of "crack" in North American and European cities: working documents and conculusions of the hearing on the incidence of "crack" in North American and European cities / Strasbourg, 14 November 1990 T2 Studies and texts / Standing Conference of Local and Regional Authorities of Europe JF Studies and texts LA English PP Strasbourg PB Council of Europe Press YR 1992 UL https://krimdok.uni-tuebingen.de/Record/1105943461 SN 9287121230