SRIVASTAVA, T. N.; SREEDHARAN, K. E. Life Tests with Periodic Change in Failure Fate. Defence Science Journal, [S. l.], v. 24, n. 4, p. 147–154, 2014. DOI: 10.14429/dsj.24.6568. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/6568. Acesso em: 16 jun. 2025.