NAKAMURA, Takayuki; NIKAWA, Yoshio. Precise measurement of complex permittivity of materials for telecommunications devices. Journal of Telecommunications and Information Technology, [S. l.], v. 5, n. 3, p. 66–71, 2001. DOI: 10.26636/jtit.2001.3.65. Disponível em: https://jtit.pl/jtit/article/view/65. Acesso em: 8 oct. 2025.