Thanks everybody who has send me the pdf, however it cann't see the figure 12 (page 39) in any of them. Has anyone a good quality of that figure? Best wishes, Ana ---------------------------------------- Dra. Ana Belén Marín Arroyo IIIPC. Universidad de Cantabria + Avda. Los Castros, s/n 39005 Santander (Spain) ( +34 625 939279 6 +34 942 202093 * [log in to unmask] ---- [log in to unmask] _________________________________________________________________ Tecnología, moda, motor, viajes,…suscríbete a nuestros boletines para estar siempre a la última http://newsletters.msn.com/hm/maintenanceeses.asp?L=ES&C=ES&P=WCMaintenance&Brand=WL&RU=http%3a%2f%2fmail.live.com