Taraborrelli, L., Grant, R., Sullivan, M., Choppin, S., Spurr, J., Haake, S., Allen, T. Julkaisussa Sports Engineering (2019)
Cross, R. Julkaisussa Sports Engineering (2019)
Li, F. X., Fewtrell, D., Jenkins, M. Julkaisussa Journal of Sports Sciences (2005)