1.
D. Pandey, Shephali Tyagi, Rachna Kumari. Two-Unit System with Degradation and Degraded Failure. J. Int. Acad. Phys. Sci. [Internet]. 1997 Dec. 15 [cited 2024 May 19];1(3-4):171-82. Available from: https://www.iaps.org.in/journal/index.php/journaliaps/article/view/691