TY - BOOK A1 - Cofer, C. N. A1 - Appley, M. H. T1 - Motivation: Theory and research, New York (John Wiley & Sons) 1964. Y1 - 1964 UR - https://opus4.kobv.de/opus4-Fromm/frontdoor/index/index/docId/7226 N1 - Marks in the copy ER -