HOU, Y. Study on Phase Sensitive Detection Technology of Multi-Frequency Signals in Electrical Logging. Journal of Mines, Metals and Fuels, [S. l.], v. 66, n. 8, p. 478–481, 2022. Disponível em: https://informaticsjournals.com/index.php/jmmf/article/view/31744. Acesso em: 13 jun. 2024.