JHA, V. N. Supplemental Oxygen for Paratroopers and Sky Divers. Defence Science Journal, [S. l.], v. 62, n. 1, p. 51–57, 2012. DOI: 10.14429/dsj.62.599. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/599. Acesso em: 19 aug. 2025.