Citation: Hj. Kern, SINGLE-CASE RESEARCH IN CLINICAL-PSYCHOLO GY - MULTIPLE-BASE-LINE DESIGNED EXPERIMENTS, Zeitschrift fur klinische Psychologie, Psychiatrie und Psychotherapie, 45(1), 1997, pp. 45-66
Citation: Hj. Kern, PARADOXICAL INTERVENTIONS - EXPLANATIONS AND CATEGORIZATIONS, Praxis der Kinderpsychologie und Kinderpsychiatrie, 43(1), 1994, pp. 9-16