1. Adsorption of Gases in Multimolecular Layers;Emmett;J. Amer. Chem. Soc.,1938
2. Advances in Catalysis;Hill,1952
3. Adsorption and Surface Chemistry;Tompkins;Ann. Rep. Prog. Chem.,1950
4. Surface Chemistry;Elley;Ann. Rep. Progr. Chem.,1952
5. The Adsorption of Gases and Vapours;Brunauer,1944