1. Keller GE, Anderson RA, Yon CM (1987) In: Rousseau RW (ed) Handbook of separation process technology. Wiley, New York
2. Reprinted from Unit Operations of Chemical Engineering, 7th Ed., McCabe WL, Smith JC, Harriott P, Copyright (2005), with permission from McGraw-Hill Companies, Inc.
3. Reprinted with permission of John Wiley & Sons, Inc., Ruthven DM (1997) Encyclopedia of separation technology, vol I. Adsorption, gas separation
4. Reprinted from Characterization of porous solids III, Jagiello J, Bandosz TJ, Putyera K, Schwarz JA Adsorption energy and structural heterogeneity of activated carbons, Copyright (1994), with permission from Elsevier
5. With kind permission from Springer Science + Business Media B.V., Springer and Kluwer Academic Pub, Characterization of porous solids and powders: surface area, pore size, and density, Lowell S, Shields JE, Thomas MA, Thommes M (2004) 39