RT Article T1 Diffusion of school-based substance abuse prevention programs JF American behavioral scientist VO 39 IS 7 SP 919 OP 934 A1 Rohrbach, Louise Ann A2 D'Onofrio, Carol N. A2 Backer, Thomas E. LA English YR 1996 UL https://krimdok.uni-tuebingen.de/Record/1639330011 K1 Drogenprävention K1 Schule