Shahzad, A., S. Ahmed, A. Ghaffar, and Q. A. Naqvi. “Incorporation of The Nihility Medium to Improve The Cylindrical Invisibility Cloak”. Applied Computational Electromagnetics Society Journal (ACES) 29, no. 01 (September 7, 2021): 9–14. Accessed July 19, 2024. https://journals.riverpublishers.com/index.php/ACES/article/view/11119.