DATTA, S. K.; KUMAR, L. Plasma Frequency Reduction Factor. Defence Science Journal, [S. l.], v. 58, n. 6, p. 768–770, 2008. DOI: 10.14429/dsj.58.1705. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/1705. Acesso em: 6 jul. 2025.