Kambic, T., Vukovic, R. S., Vukovic, L., Simenko, J. Julkaisussa Archives of Budo Science of Martial Arts and Extreme Sports (2017)
Longo, A. F., Siffredi, C. R., Cardey, M. L., Aquilino, G. D., Lentini, N. A. Julkaisussa Journal of Human Sport & Exercise (2016)