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, http://www.produccioncientificaluz.org/index.php/tecnica/article/view/5523.