MISS CHITRA TAKLE. Multiple Band Monopole Arm Microstrip Spiral Antenna for Cognitive Radio. Global Journals of Research in Engineering, [S. l.], v. 14, n. F3, p. 67–71, 2014. Disponível em: https://engineeringresearch.org/index.php/GJRE/article/view/1108. Acesso em: 3 may. 2024.