GUPTA, M. C. Study of Internal Ballistics of Hepta-Tubular Powders. Defence Science Journal, [S. l.], v. 9, n. 2, p. 153–169, 2014. DOI: 10.14429/dsj.9.7622. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/7622. Acesso em: 16 jun. 2025.