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Soziale Passagen > 2019 > 11 > 2 > 369-374
German Journal of Exercise and Sport Research > 2019 > 49 > 4 > 472-481
Soziale Passagen > 2019 > 11 > 2 > 369-374
German Journal of Exercise and Sport Research > 2019 > 49 > 4 > 472-481