Cabrera, E., A. Bitter, and J. Sánchez. “Evaluating the Amuay Refinery Main Catalytic Cracking Unit Fractionator”. Rev. Téc. Fac. Ing. Univ. Zulia, Vol. 20, no. 1, 1, https://produccioncientifica.luz.edu.ve/index.php/tecnica/article/view/5523.