D. Yacoub, Michel. “Telefonia Celular: Conceitos Básicos E Fronteiras De Indefinição Das Células<br >DOI: 10.14209 Jcis.1989.2”. Journal of Communication and Information Systems 4, no. 1 (June 15, 2015). Accessed December 12, 2024. https://jcis.sbrt.org.br/jcis/article/view/148.