RT Article T1 The defiant ones: a common form of character pathology in children JF Clinical social work journal VO 15 IS 1 SP 35 OP 42 A1 Chethik, Morton LA English YR 1987 UL https://krimdok.uni-tuebingen.de/Record/1627042059 K1 Kindliches Verhalten K1 Trotzverhalten