Tekin, S. A., and M. Alçı. “Design and Applications of Electronically Tunable Floating Resistor Using Differential Amplifier”. Elektronika ir Elektrotechnika 19, no. 4 (March 28, 2013): 41-46. Accessed April 30, 2024. https://eejournal.ktu.lt/index.php/elt/article/view/1310.