a
Institute of Physical and Theoretical Chemistry, University of Regensburg, Universitätsstr. 31, 93053 Regensburg, Germany
;
Fax: +49 941 943 4532
b
Institut de Chimie Séparative de Marcoule, UMR 5257, Site de Marcoule BP 17171, 30207 Bagnols sur Cèze, France
E-mail: frederic.goettmann@cea.fr
c
Max-Planck-Institute of Colloids and Interfaces Scientific Campus Golm, 14476 Potsdam, Germany
;
Fax: +49 331 567 9502