4601document3216Decl_IS_AhmedMT_10_PhD.pdfapplication/pdff6f0978683d8d09406d8891a644ab28bMD5680512011-07-19 16:32:34http://etheses.bham.ac.uk//id/eprint/1279/1/Decl_IS_AhmedMT_10_PhD.pdf