1
2
von Frizzell, Peter J. (Autor),
Erschienen in Psycho-social elements of play, games and recreation, Nedlands: University of Western Australia (Verlag), 1975, S. 20-25, Lit.
Verfügbarkeit
Erschienen in Psycho-social elements of play, games and recreation, Nedlands: University of Western Australia (Verlag), 1975, S. 20-25, Lit.
3
4
von Kiviaho, Pekka (Autor)
Erschienen in International review for the sociology of sport, 10 (1975), 1, S. 5-17, 2 DARST., Lit.
Verfügbarkeit
Erschienen in International review for the sociology of sport, 10 (1975), 1, S. 5-17, 2 DARST., Lit.
5