Salamanca, Santiago, Alexander Céspedes, and Guillermo Aponte. “On-Line Monitoring of Power Transformers. A Critical Review of Temperature Sensors, Oil Moisture and Dissolved Gases”. Tecnología en marcha Journal 34, no. 7 (December 13, 2021): Pág 114–125. Accessed May 16, 2024. https://revistas.tec.ac.cr/index.php/tec_marcha/article/view/6019.