Bouillod, A, J Pinot, A Valade, J Cassirame, G Soto-Romero, and F Grappe. “Gross Efficiency Is Improved in Standing Position With an Increase of the Power Output”. Journal of Science and Cycling 3, no. 2 (July 12, 2014): 6. Accessed June 28, 2022. https://jsc-journal.com/index.php/JSC/article/view/89.