GURUNG, S. J. B.; KHANAL, R. Effect of Presheath Current Density on the Sheath Structure of Plasma. Himalayan Physics, [S. l.], v. 3, p. 10–12, 2012. DOI: 10.3126/hj.v3i0.7268. Disponível em: https://www.nepjol.info/index.php/HP/article/view/7268. Acesso em: 27 feb. 2024.