Yukawa, Toshihiro, Taisuke Takahashi, Teruhisa Koguchi, Yoshiaki Ohshida, and Youichi Takeda. “Efficiency and Versatility: A Novel Continuously Variable Transmission System With Parallel Lever-Crank Mechanisms ”. Contemporary Perspective on Science, Technology and Research Vol. 7 (March 13, 2024): 96–113. Accessed June 19, 2026. https://stm.bookpi.org/CPSTR-V7/article/view/13744.