http://www.youtube.com/watch?v=FQD-UnfWh68&feature=player_detailpage#t=96s
ك كريم مصطفى مشرف برنامج Erdas Imagine 13 يوليو 2011 #1 http://www.youtube.com/watch?v=FQD-UnfWh68&feature=player_detailpage#t=96s