/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: luisteixeiradasilva https://cdn.slidesharecdn.com/profile-photo-luisteixeiradasilva-48x48.jpg?cb=1698003153 Instituto politécnico da guarda IPG 93/97 Instituto Superior de engenharia de Coimbra