Karapenev, Boyan. “Design and Performance Analysis of a Wine-Bridge RC Harmonic Oscillation Generator With an Operational Amplifier”. Indonesian Journal of Electrical Engineering and Informatics (IJEEI) 8, no. 4 (November 13, 2020): 658–665. Accessed October 27, 2026. https://section.iaesonline.com/index.php/IJEEI/article/view/1446.