Ehrmann, F. E., Duncan, C. S., Sindhusake, D., Franzsen, W. N., & Greene, D. A. (2016). GPS and injury prevention in professional soccer. Journal of strength and conditioning research, 30(2), S. 360-367. doi:10.1519/JSC.0000000000001093

Ehrmann, Fabian E., Craig S. Duncan, Doungkamol Sindhusake, William N. Franzsen, and David A. Greene. "GPS and Injury Prevention in Professional Soccer." Journal of Strength and Conditioning Research 30, no. 2 (2016): S. 360-367.

Ehrmann, Fabian E., et al. "GPS and Injury Prevention in Professional Soccer." Journal of Strength and Conditioning Research 30.2 (2016): S. 360-367.