Two studies about the influence of toy structures on fantasy play of preschoolers this paper was presented at the Internat. Symposium "Play, Play Therapy, Play Research", Amsterdam, Sept. 12 - 14, 1985 - Einsiedler, Wolfgang 1945-2019 (Forschungsstelle Spiel u. Spielzeug d. Univ. Erlangen-Nürnberg, 1985)
Literaturverz. Bl. 13 - 14