Hi all, although I sent the slides to the organizaion, they are not on the web of the event. Maybe I have to send them again. Do you remember who do I have to send them to? Thanks -- Agustín Benito Bethencourt eslic at ejerciciosresueltos.com abenito at grupocpd.com www.grupocpd.com www.agustin.ejerciciosresueltos.com