Loera, S. Llewellyn, P.L. Lima, E. <br/><br/>
Na+ Charge Tuning through Encapsulation of Sulfur Chromophores in Zeolite A and the Consequences in Adsorbent Properties. 

 -  2010. 
 - Vol. 114, no. 17, pp. 7880-7887. 
 = Journal of Physical Chemistry C