Navarro, Uriel, Lina Navarro, Mario Álvarez, and Jorge Luis Grosso. 2004. “Separating and Characterising Resins and Asphaltenes from Castilla Crude Oils. Evaluating Their Molecular Interplay”. CT&F - Ciencia, Tecnología Y Futuro 2 (5):53-67. https://doi.org/10.29047/01225383.517.