Teena and all, I'm abroad at the moment and don't have access to University ressources. Does anyone have a pdf copy of Swann's article I could read? Many thanks David Balkwill Course Leader and Senior Lecturer in Product Design Manchester Metropolitan University ________________________________________ "Before acting on this email or opening any attachments you should read the Manchester Metropolitan University email disclaimer available on its website http://www.mmu.ac.uk/emaildisclaimer "