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Accuracy of 20Hz GPS units for measuring velocity in soccer specific sprints
Accuracy and reliability of a 20Hz GPS device for measuring distance and speed of shuttle sprints
Accuracy analysis of 5 Hz and 20 Hz GPS devices for measuring velocity in team sport specific movement patterns

A comparison of displacement and energetic variables between three team sport GPS devices

Match analysis techniques: a critique of current methodology

World Congress on Science and Football – WCSF 2015, Copenhagen

Soccer performance: a close look

Measured versus estimated oxygen consumption during intermittent running