ELECTRONIC	h   t   t   p   c o l o n   s l a s h   s l a s h   e t h e s e s dot w h i t e r o s e dot a c dot u   k   s l a s h   e i g h t   s e v e n   f i v e   n i n e   s l a s h	http://etheses.whiterose.ac.uk/8759/	1