[Play as person-situation interaction. Attempt at a typology of human-environment relation].
D002648:Child; D002657:Child Development; D006801:Humans; D007398:Interpersonal Relations; D001523:Mental Disorders / Q000523:psychology; D010988:Play and Playthings; D012931:Social Environment; D012938:Social Perception
Spiel als Person-Situations-Interaktion. Versuch einer Typologie der Mensch-Umwelt-Bezogenheit.