Tangsrirat, W., and W. Surakampontorn. “Electronically Tunable Floating Inductance Simulation Based on Current-Controlled Current Differencing Buffered Amplifiers”. Science & Technology Asia, vol. 11, no. 1, Oct. 2015, pp. 60-65, https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/41561.