A. BADRAN, Hussain. Study of the impedance matching in radio frequency discharge excited ZFold waveguide CO2 laser. Journal of Kufa-Physics, Kufa, Najaf, IRAQ, v. 1, n. 2, 2009. Disponível em: https://journal.uokufa.edu.iq/index.php/jkp/article/view/7521. Acesso em: 26 jun. 2026.