STUDY OF THE PARASITIC MODES FOR THE 140 GHZ GYROTRON OSCILLATOR. Iraqi Journal of Science, [S. l.], v. 51, n. 4, p. 613–622, 2024. DOI: 10.24996/ijs.2010.51.4.%g. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/14063.. Acesso em: 27 sep. 2024.