Javi, Si. (esto es para quedar con la ultima palabra .... asi quedo con un sabor a victoria :-DDD) un saludo, serge Serge Bobroff, PhD Post-Doctoral research associate Department of Chemical Engineering and Materials Science University of California, DAVIS tel (530)-752-5883 fax (530)-752-4759 e-mail: sbobroff en ucdavis.edu