Steady State Availability of a Two Unit System Having Two Types of Repairs. Journal of International Academy of Physical Sciences, [S. l.], v. 5, n. 1-4, p. 63–75, 2001. Disponível em: http://www.iaps.org.in/journal/index.php/journaliaps/article/view/742. Acesso em: 23 oct. 2026.