Shutenko, O., and O. Kulyk. “Analysis of Gas Content in Oil-Filled Equipment With Defects for Which Ethane Is the Key Gas”. Lighting Engineering & Power Engineering 2, no. 58 (September 30, 2020): 78–87. Accessed April 19, 2025. https://lepe.kname.edu.ua/index.php/lepe/article/view/446.