RT Article T1 Cognitive motivation and drug use: a 9-year longitudinal study JF Journal of abnormal psychology VO 100 IS 4 SP 502 OP 515 A1 Stacy, Alan W. A2 Newcomb, Michael D. A2 Bentler, Peter M. LA English YR 1991 UL https://krimdok.uni-tuebingen.de/Record/1640292640 K1 Jugendliche K1 Drogenkonsum K1 Prädiktoren