Tiwari, Rajinder, Anil kumar, and Preeta Shara. “Performance Analysis of a Universal Circuit for Reversible ALU Using QCA & CMOS Technology”. International Journal of Engineering & Technology 7, no. 4.38 (December 3, 2018): 732–736. Accessed May 3, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/25775.