Lopes, Israel Filipe, Rodolfo Lacerda Valle, Gabriel Azevedo Fogli, André Augusto Ferreira, and Pedro Gomes Barbosa. 2020. “Low-Frequency Underwater Wireless Power Transfer: Maximum Efficiency Tracking Strategy”. IEEE Latin America Transactions 18 (7):1200-1208. https://latamt.ieeer9.org/index.php/transactions/article/view/832.