NEGI, D. S.; KAUSHIK, V. K.; MANOCHA, O. P. Defence Electronics Applications Laboratoty, Dehradun. Defence Science Journal, [S. l.], v. 52, n. 3, p. 329–336, 2002. DOI: 10.14429/dsj.52.2188. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/2188. Acesso em: 7 jul. 2025.