TY - CHAP A1 - Vollmer, Heinz C. A1 - Ferstl, Roman A1 - Ellgring, Johann Heinrich T1 - Individualized behavior therapy for drug addicts N2 - No abstract available Y1 - 1992 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-33817 ER -