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von Lochner, J. de V. (Autor),
Erschienen in South African journal for research in sport, physical education and recreation, 16 (1993), 1, S. 51-61, Lit.
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“...Schreuder, L.F.A....”Erschienen in South African journal for research in sport, physical education and recreation, 16 (1993), 1, S. 51-61, Lit.
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