All Rights Reserved
AccessEcon LLC 2006, 2008.
Powered by MinhViet JSC
ralph lauren polo


First Author:
 
Daniel Ventosa-Santaulària
Universidad de Guanajuato
daniel@ventosa-santaularia.com
 
UCEA-Campus Marfil, Frac. El Establo
Guanajuato, 36250, Mexico
 
(+52)473.52.925 x-2873(Phone)
(+52)473.52.925 x-2873(Fax)
http://www.ventosa-santaularia.com

Second Author:

José Eduardo Vera-Valdés
Universidad de Guanajuato
eduardo@cimat.mx