KUMAR, M.; GEETHA, M.; KUMAR, M. V. Design of Magnetic Focusing system for a Compact Ka band Helix TWT. Defence Science Journal, [S. l.], v. 71, n. 03, p. 329–331, 2021. DOI: 10.14429/dsj.71.16810. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/16810. Acesso em: 15 jun. 2025.