Sanchez Santos, J. M., Dopico, J., Castellanos, P. Julkaisussa Journal of Quantitative Analysis in Sports (2012)
Oberstone, J. Julkaisussa Journal of Quantitative Analysis in Sports (2011)
Sala-Garrido, R., Liern Carrion, V., Martinez Esteves, A., Bosca, J. E. Julkaisussa Journal of Quantitative Analysis in Sports (2009)