The validity and reliability of 1-Hz and 5-Hz global positioning systems for linear, multidirectional, and soccer-specific activities - Portas, M. D.; Harley, J. A.; Barnes, C. A.; Rush, C. J. (International Journal of Sports Physiology and Performance, 2010)
Keywords: soccer; measuring procedure; apparatus; sports game; movement characteristic; playing position (sport games); GPS; technical and natural sciences; sport games