1. U.S. Department of Energy, Energy and Environmental Profile of the U.S. Chemical Industry. Chapter 4: The BTX Chain: Benzene, Toluene, Xylene. Energetics Incorporated, May 2000, 105–140.
2. Encyclopedia of Separation Technology, A Kirk–Othmer Encyclopedia;Sweeney,2007
3. Separation of toluene/n–heptane mixtures experimental, modeling and optimization;Farshad;Chem. Eng. J.,2011
4. Industrial Organic Chemistry;Weissermel,2003
5. Ionic liquids for aromatics extraction. Present status and future outlook;Meindersma;Ind. Eng. Chem. Res.,2010