Morgoch, D., Tullis, S. Veröffentlicht in Proceedings of the Institution of Mechanical Engineers, Part P: Journal of Sports Engineering and Technology (2011) “...technical and natural sciences...”
Henke, T., Blumenbach, T. Veröffentlicht 2005 “...technical and natural sciences...”
Hart, J. H., Curtis, D., Hamilton, N. D. R., Haake, S. J. Veröffentlicht in The Engineering of Sport 5, Volume 1 (2004) “...technical and natural sciences...”