McNitt-Gray, J. L., Requejo, P. S., Flashner, H., Held, L. Julkaisussa The Engineering of Sport 5, Volume 2 (2004)
Sheets, A. L., Hubbard, M. Julkaisussa The Engineering of Sport 5, Volume 2 (2004)
King, M. A., Yeadon, M. R. Julkaisussa The Engineering of Sport 5, Volume 2 (2004)
Liang, C. Julkaisussa The Engineering of Sport 5, Volume 2 (2004)
Sands, W. A., Smith, S. L., Westenburg, T. M. Julkaisussa The Engineering of Sport 5, Volume 1 (2004)
McNitt-Gray, J. L., Requejo, P. S., Flashner, H., Boni, H. Julkaisussa The Engineering of Sport 5, Volume 1 (2004)