BHATTACHARYYA, R. N. On Piezometric Efficiency in an Orthodox Gun with Resistance. Defence Science Journal, [S. l.], v. 26, n. 2, p. 59–66, 2014. DOI: 10.14429/dsj.26.6621. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/6621. Acesso em: 6 jul. 2025.