CHATTERJEE, R. N.; MURTHY, Y. Measurement of radio noise level in Delhi area-Part II. Defence Science Journal, [S. l.], v. 12, n. 1, p. 48–54, 2014. DOI: 10.14429/dsj.12.6833. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/6833. Acesso em: 4 aug. 2025.