Fennell, Chris, Ciaran O’Grady, and James Hopker. “The Effect of the Aerodynamic Time-Trial Position on Gross Efficiency and Self-Paced Time-Trial Performance”. Journal of Science and Cycling 9, no. 3 (February 15, 2021): 9-22. Accessed September 28, 2021. https://jsc-journal.com/index.php/JSC/article/view/607.