HERMACH , F.L; WILLIAMS, E.S. IMPROVING THE RELIABILITY OF AC VOLTAGE MEASUREMENTS: RECENT PROGRESS IN AC-DC DIFFERENCE CALIBRATION AT NMCC. International Journal of Allied Sciences (IJAS), [S. l.], v. 13, n. 10, p. 42–54, 2022. Disponível em: https://zapjournals.com/Journals/index.php/Allied-Sciences/article/view/324. Acesso em: 7 jul. 2025.