Wheat, J., S. Clarkson, D. Higham, and S. Choppin. “A Depth Camera-Based System for Estimating Cyclist-Bike Projected Frontal Area”. Journal of Science and Cycling, vol. 3, no. 2, Aug. 2014, p. 73, https://jsc-journal.com/index.php/JSC/article/view/142.