Probst, T., Mühlberger, A., Kühner, J., Eifert, G.H., Pieh, C., Hackbarth, T. and Mander, J. 2020. Development and Initial Validation of a Brief Questionnaire on the Patients’ View of the In-Session Realization of the Six Core Components of Acceptance and Commitment Therapy. Clinical Psychology in Europe. 2, 3 (Sep. 2020), 1-23. DOI:https://doi.org/10.32872/cpe.v2i3.3115.