JUYAL, D. P. Design of an R.F. Excited Helium Neon Visible Gas Laser and Study of the Optimal Conditions for Gas Mixtures and Pressures. Defence Science Journal, [S. l.], v. 22, n. 4, p. 245–248, 2014. DOI: 10.14429/dsj.22.6420. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/6420. Acesso em: 6 jul. 2025.