Higa, O, K Higa, H Maehara, S Tanaka, K Shimojima, A Takemoto, K Hokamoto, and S Itoh. “Effects of Improving Current Characteristics of Spark Discharge on Underwater Shock Waves”. The International Journal of Multiphysics 8, no. 2 (June 30, 2014): 245-252. Accessed September 14, 2025. https://www.themultiphysicsjournal.com/index.php/ijm/article/view/8-2-245.