Published in: Beltz-Praxis

Published in: Beltz-Praxis

Published in: Beltz-Praxis

Published in: Beltz-Praxis

Published in: Beltz-Praxis

Published in: Developmental Psychology, 17 (1981) 4, Seite 426-429

Published in: Developmental Psychology, 17 (1981) 4, Seite 426-429

Published in: Journal of Human Performance in Extreme Environments, 7 (2003) 2

Published in: Research Quarterly for Exercise and Sport, 70 (1999) 2, Seite 157-169

Published in: Journal of Pediatric Orthopaedics, 15 (1995) 5, Seite 691-697

Published in: Canadian Journal of Behavioural Science / Revue canadienne des sciences du comportement, 22 (1990) 1, Seite 20-25