Work rates of international hockey umpires

  • Christopher A. Spice, Dan A. Gordon, Lee Smith, James A. Johnstone
  • International Journal of Performance Analysis in Sport, July 2017, Taylor & Francis
  • DOI: 10.1080/24748668.2017.1353264

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http://dx.doi.org/10.1080/24748668.2017.1353264

The following have contributed to this page: Dr Dan Gordon