F. F. MENDE. The Electrostatic Generator of Mende. Global Journal of Science Frontier Research, [S. l.], v. 20, n. A10, p. 31–36, 2020. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/2808. Acesso em: 5 may. 2024.