1. Relations between asphaltene structures and their physical and chemical properties: the rosary-type structure;Acevedo;Energy Fuels,2007
2. American Society for Testing and Materials D2549, 1995. Standard Test Method for Separation of Representative Aromatics and Non-aromatics Fractions of High-Boiling Oils by Elution Chromatography.
3. American Society for Testing and Materials D4124, 1997. Standard Test Methods for Separation of Asphalt into Four Fractions.
4. American Society for Testing and Materials D2007, 2008. Standard Test Method for Characteristic Groups in Rubber Extender and Processing Oils and Other Petroleum-Derived Oils by the Clay–Gel Absorption Chromatographic Method.
5. American Society for Testing and Materials E1655, 2005. Standard Practices for Infrared Multivariate Quantitative Analysis.