Pardo, Ricardo Andrés, and Jesus Maria Lopez-Lezama. “A Literature Review of Optimal Generation Start-Up Methodologies for Power System Restoration Considering Conventional and Non-Conventional Renewable Energy Sources”. Revista Ingenierías Universidad de Medellín 19, no. 36 (August 2, 2019): 187-204. Accessed January 22, 2021. https://revistas.udem.edu.co/index.php/ingenierias/article/view/2761.