D. PANDEY; B. S. KALRA. Two Unit System Requiring Separation of Units for Repair Under Circumstantial and Common Cause Failure. Journal of International Academy of Physical Sciences, [S. l.], v. 6, n. 1, p. 41–51, 2002. Disponível em: https://www.iaps.org.in/journal/index.php/journaliaps/article/view/757. Acesso em: 11 may. 2025.