Griffiths, I., Ropert-Coudert, Y., Qasem, L., Cardew, A., Wilson, A., Halsey, L. G., . . . Wilson, R. (2012). Tri-Axial Dynamic Acceleration as a Proxy for Animal Energy Expenditure; Should We Be Summing Values or Calculating the Vector? PLoS ONE, 7(2), p. e31187. doi:10.1371/journal.pone.0031187

Griffiths, Iwan, Yan Ropert-Coudert, Lama Qasem, Antonia Cardew, Alexis Wilson, Lewis G. Halsey, Emily L. C. Shepard, Adrian C. Gleiss, and Rory Wilson. "Tri-Axial Dynamic Acceleration As a Proxy for Animal Energy Expenditure; Should We Be Summing Values or Calculating the Vector?" PLoS ONE 7, no. 2 (2012): e31187.

Griffiths, Iwan, et al. "Tri-Axial Dynamic Acceleration As a Proxy for Animal Energy Expenditure; Should We Be Summing Values or Calculating the Vector?" PLoS ONE 7.2 (2012): e31187.