1. Zeolite Molecular Sieves, R. E. Krieger Publishing, Malabar, FL (1984).
2. Lange's Handbook of Chemistry, McGraw-Hill, New York (1985).
3. Adsorption Equilibria at High Pressures in the Helium-Nitrogen-Activated Carbon System
4. The Collected Works of J. W. Gibbs, Longmans and Green, New York (1928).
5. Introduction to Powder Surface Area, Wiley-Interscience, New York (1979).