Towarnicki, Krzysztof, Algimantas Danilevičius, and Šarūnas Šukevičius. “Modification of the Sickle Insert of an Internal Gear Pump”. Aviation 28, no. 1 (March 19, 2024): 34–39. Accessed December 20, 2024. https://journals.vilniustech.lt/index.php/Aviation/article/view/20866.