SETTY, B.; MURTHY, G.; THAMMAIAH, K.; MATHEW, T. L. Underwater Breathing Apparatus. Defence Science Journal, [S. l.], v. 46, n. 3, p. 155–160, 2013. DOI: 10.14429/dsj.46.4483. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/4483. Acesso em: 15 jun. 2025.