TY - JOUR A1 - Harrley, Ruth A1 - Frank, L. K. A1 - Goldenson, R. M. T1 - The Function of Play in the Child's Development, (Chapt. 1) JF - Harrley, R., Frank, L. K., Goldenson, R, M.: Understanding Children's Play, New York (Columbia Univ. Press) 1952, pp. 3-13. Y1 - 1952 N1 - Xeroxcopy ER -