TY - JOUR A1 - Piaget, Jean T1 - The Rules of the Game T2 - L. Wilson and W.L. Kolb (Eds.), Sociological Analysis. An Introductory Text and Case Book, New York (Harcourt, Brace and Co.) 1949, pp. 194-206. Y1 - 1949 UR - https://opus4.kobv.de/opus4-Fromm/frontdoor/index/index/docId/18007 N1 - Dedicated by Bahary Family 2004 ER -