66841document31124Decl_IS_Nguyen_Revised.pdfapplication/pdfcac4cd6ea4e2ad8f84f6c2730faf0d1dMD52294162013-08-27 12:33:47http://etheses.bham.ac.uk//id/eprint/519/15/Decl_IS_Nguyen_Revised.pdf