Two Unit System with Two Types of Failures and Repairs under the Effect of CF and CCF. Journal of International Academy of Physical Sciences, [S. l.], v. 7, n. 1-4, p. 61–69, 2003. Disponível em: http://www.iaps.org.in/journal/index.php/journaliaps/article/view/773. Acesso em: 23 oct. 2026.