P, M.; A. L., V. Design of Rat-Race based Retrodirective Arrays for Backscatter Communications. Bulletin of Scientific Research, [S. l.], v. 2, n. 2, p. 8–13, 2020. DOI: 10.34256/bsr2022. Disponível em: https://journals.asianresassoc.org/index.php/bsr/article/view/155. Acesso em: 18 may. 2024.