Maliha Naaz. “A 70mV Input Bulk Switching Inductive-Load Ring Oscillator Based Start up Circuit for Thermal Energy Harvested DC-DC Boost Converter With 69% Efficiency”. International Journal of Intelligent Systems and Applications in Engineering, vol. 12, no. 4, June 2024, pp. 2125-33, https://ijisae.org/index.php/IJISAE/article/view/6547.