Carrillo, Jesus, Jacobo Cáceres, Guillermo Vela, and Hugo Bueno. “Deasphalting Solvents”. CT&F - Ciencia, Tecnología y Futuro 1, no. 2 (December 31, 1996): 67–76. Accessed July 3, 2025. https://ctyf.journal.ecopetrol.com.co/index.php/ctyf/article/view/599.