1. Removal of heavy metals from waste waters by natural and Na-exchanged bentonites;Alvarez-Ayuso;Clay. Clay Miner.,2003
2. Anonymous (1937) Use of bentonite in rubber. Rubber Age, May, 30–32.
3. Anonymous (1963) Foundry Sand Handbook, 7th Edition. American Foundrymen's Society, Des Plains, IL.
4. Bergaya, F., et al. (1991) Mixed Al–Fe pillared laponites, preparation, characterization and catalytic properties. Chapter in Syngas Conversion in Preparation of Catalysts. Elsevier, Amsterdam, The Netherlands.
5. Density of water sorbed on montmorillonite;Bradley;Nature,1959