1
von Carlson, B. Robert (Autor),
Erschienen in The research quarterly of the American Association for Health, Physical Education and Recreation, Washington D.C., 41 (1970), 2, S. 129-134, Lit.
Verfügbarkeit
Erschienen in The research quarterly of the American Association for Health, Physical Education and Recreation, Washington D.C., 41 (1970), 2, S. 129-134, Lit.
2
von Kroll, Walter (Autor)
Erschienen in The research quarterly of the American Association for Health, Physical Education and Recreation, Washington D.C., 41 (1970), 2, S. 155-163, Lit.
Verfügbarkeit
Erschienen in The research quarterly of the American Association for Health, Physical Education and Recreation, Washington D.C., 41 (1970), 2, S. 155-163, Lit.