RT Article T1 Long-term follow-up of families with young conduct problem children: from preschool to grade school JF Journal of clinical child psychology VO 19 IS 2 SP 144 OP 149 A1 Webster-Stratton, Carolyn LA English YR 1990 UL https://krimdok.uni-tuebingen.de/Record/1640033122 K1 Verlaufsforschung