Bakli, H., and K. Haddadi. “Microwave Interferometry Based On Open-Ended Coaxial Technique for High Sensitivity Liquid Sensing”. Advanced Electromagnetics 6, no. 3 (October 21, 2017): 88–93. Accessed November 27, 2021. https://www.aemjournal.org/index.php/AEM/article/view/428.