@article{HarrleyFrankGoldenson, author = {Harrley, Ruth and Frank, L. K. and Goldenson, R. M.}, title = {The Function of Play in the Child's Development, (Chapt. 1)}, series = {Harrley, R., Frank, L. K., Goldenson, R, M.: Understanding Children's Play, New York (Columbia Univ. Press) 1952, pp. 3-13.}, journal = {Harrley, R., Frank, L. K., Goldenson, R, M.: Understanding Children's Play, New York (Columbia Univ. Press) 1952, pp. 3-13.}, language = {en} }