Фемяк, Ярослав. “CAVITATION-PULSATING PROCESSES IN TOOLS FOR DRILLING WELLS”. Modern engineering and innovative technologies 1, no. 03-01 (April 10, 2017): 135–138. Accessed January 5, 2026. https://www.moderntechno.de/index.php/meit/article/view/meit03-01-005.