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von Shaver, Larry G. (Autor)
Erschienen in The research quarterly of the American Association for Health, Physical Education and Recreation, Washington D.C., 43 (1972), 1, S. 82-88, Lit.
Verfügbarkeit
Erschienen in The research quarterly of the American Association for Health, Physical Education and Recreation, Washington D.C., 43 (1972), 1, S. 82-88, Lit.