LALL, K. B. Optical Human Operation and Target Size. Defence Science Journal, [S. l.], v. 15, n. 2, p. 139–144, 2014. DOI: 10.14429/dsj.15.7269. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/7269. Acesso em: 16 jun. 2025.