1. Agreda, V. H., and Partin, L. R. U. S. Patent 4,435,595 (to Eastman Kodak Company) (1984).
2. Enhanced Distillation;Barnicki,1996
3. Blakely, D. M. “Cost Savings in Binary Distillation through Two-Column Designs,” M. S. Dissertation. Clemson University, Clemson, SC (1984).
4. Azeotropic and Extractive Distillation;Doherty;Kirk-Othmer Encycl. Chem. Technol. 4th Ed.,1993
5. Conceptual Design of Chemical Processes.;Douglas,1988