Todorov, Todor, Rosen Mitrev, and Ivailo Penev. “Force Analysis and Kinematic Optimizationof a Fluid Valve Driven by Shape Memory Alloys”. Reports in Mechanical Engineering 1, no. 1 (September 24, 2020): 61-76. Accessed June 26, 2022. https://frontpres.rabek.org/index.php/asd/article/view/8.