1. Sing, Adsorption Surface Area and Porosity;Gregg,1982
2. Physical Adsorption of Gases;Young,1962
3. Statistical thermodynamics of monolayer adsorption from gas and liquid mixtures on homogeneous and heterogeneous surfaces;Jaroniec,1981
4. Energy distribution for equilibrium adsorption of gases on heterogeneous surfaces;Sircar,1984
5. On Physical Adsorption;Ross,1964