Waldron, M., Gray, A. J., Shorter, K., Cummins, C., & Murphy, A. (2018). Modelling Movement Energetics Using Global Positioning System Devices in Contact Team Sports: Limitations and Solutions. Sports Medicine, 48(6), pp. 1357-1368. doi:10.1007/s40279-018-0899-z

Waldron, Mark, Adrian J. Gray, Kathleen Shorter, Cloe Cummins, and Aron Murphy. "Modelling Movement Energetics Using Global Positioning System Devices in Contact Team Sports: Limitations and Solutions." Sports Medicine 48, no. 6 (2018): 1357-1368.

Waldron, Mark, et al. "Modelling Movement Energetics Using Global Positioning System Devices in Contact Team Sports: Limitations and Solutions." Sports Medicine 48.6 (2018): 1357-1368.