1. Skarstrom, C.W. (1960) “Method and Apparatus for Fractionting Gas Mixtures by Adsorption”, U.S. Patent 2, 444, 627
2. Richter, E. (1987) “Industrial Processes for Gas Separation by Pressure Swing Adsorption, Part II: Processes”, Erdol und Kohle, Erdgas, Petrochemie, 40, 432– 438
3. Knoblauch, K. (1978) “Pressure - Swing Adsorption: Geared for Small-Volume Users”,Chem. Eng., 85, 87
4. Flores Fernandez, G. and Kenney, C.N. (1983), Modelling of the Pressure Swing Air Separation Process. Chem. Engng. Sci., 38, 827–834.
5. Chihara, K. and Suzuki, M. (1983) “Simulation of Nonisothermal Pressure Swing Adsorption”, J. Chem. Eng. Japan, 16, 53