By Caspar Franz   Grossmann Claudia   Unmüssig Christina   Schramm Elisabeth   in Psychotherapy Research

ISSN:1050-3307|15|1-2|91-102

Routledge Ltd‎(2005)‎

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By McCullough   Jr. James P.   Lord Benjamin D.   Martin Aaron M.   Conley Kathryn A.   Schramm Elisabeth   Klein Daniel N.   in American Journal of Psychotherapy

ISSN:0002-9564|65|3|225-248

Association for the Advancement of Psychotherapy‎(2011)‎

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