47067document22813Decl_IS_Alemam_11_PhD_Nov12.pdfapplication/pdfac7ca368db653111478f59244ad7925dMD5960812012-11-29 12:56:16http://etheses.bham.ac.uk//id/eprint/3110/12/Decl_IS_Alemam_11_PhD_Nov12.pdf