1. Der Helping Alliance Questionnaire (HAQ) von Luborsky. Möglichkeiten zur Evaluation des therapeutischen Prozesses von stationärer Psychotherapie;Bassler;Psychotherapeut,1995
2. A wilderness therapy program as an alternative to adolescent psychiatric hospitalization;Berman;Residential Treatment for Children and Youth,1988
3. Who benefits from inpatient short-term psychotherapy in the long run? Patients' evaluations, outpatient after-care and determinants of outcome;Beutel;Psychology and Psychotherapy: Theory, Research and Practice,2005
4. A meta-analysis of outdoor adventure programming with adolescents;Cason;Journal of Experiential Education,1994