TY - BOOK AU - Powdermaker Florence B., Frank Jerome D. TI - Group psychotherapy: studies in methodology of research and therapy U1 - WM430 PY - 1953/// CY - Cambridge PB - Harvard University Press KW - Psychotherapy, Group N1 - Based on : Report of a Group Psychotherapy Research Project of the U.S. Veterans Administration, Published for the Common Wealth Fund N2 - Psychotherapy, Group ER -