BHATTACHARYA, P. K. A Photo-Multiplier Testing Device. Defence Science Journal, [S. l.], v. 22, n. 1, p. 43–48, 2014. DOI: 10.14429/dsj.22.6308. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/6308. Acesso em: 17 jun. 2025.