1. Proc. 3rd Int. Conf. on Fundamentals of Adsorption;Sing,1991
2. Adsorption, Surface Area and Porosity;Gregg,1982
3. The use of gas adsorption for the characterization of porous solids
4. Characterization of Porous Solids I;Rouquerol,1988
5. Characterization of Porous Solids II;Webb,1991