SEKHARBABU, B; NARSIMHA REDDY, K; SREENU, S. Design and Development of a 3dB Quadrature Patch Hybrid Coupler. International Journal of Engineering & Technology, [S. l.], v. 7, n. 2.6, p. 217–220, 2018. DOI: 10.14419/ijet.v7i2.6.10570. Disponível em: https://sciencepubco.com/index.php/ijet/article/view/10570.. Acesso em: 3 may. 2024.