Electrokinetic properties of the fluorinated montmorillonite “rassoul” particles in aqueous medium A.Khaldoun, F. González-Caballero, J.G. López-Durán, N. Benajiba et M.L. Kerkeb J. Phys. IV France, 123 (2005) 337-340 DOI: 10.1051/jp4:2005123061