SIRPAL, J. P. Muzzle brakes and their performance. Defence Science Journal, [S. l.], v. 8, n. 1, p. 35–41, 1958. DOI: 10.14429/dsj.8.7578. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/7578. Acesso em: 16 jun. 2025.