Persici, Danilo, and Andrea Rimondi. “Elika, Variable Flow With Fixed Displacement Helical Pump”. In International Conference Fluid Power 2025: Conference Proceedings, edited by Darko Lovrec and Vito Tič, 2025:61–78. Fluid Power. University of Maribor Press, 2025. Accessed February 28, 2026. https://old.press.um.si/index.php/ump/catalog/book/1042/chapter/813.