Donkov, Viktor Hristov, Torben Andersen, Matti Linjama, and Morten Ebbesen. “Digital Hydraulic Technology for Linear Actuation: A State of the Art Review”. International Journal of Fluid Power 21, no. 2 (December 4, 2020): 263–304. Accessed April 23, 2024. https://journals.riverpublishers.com/index.php/IJFP/article/view/3021.