25678document15501Decl_IS_Hurst_11_MPhil.pdfapplication/pdf30f02820471b0aa7583067a8bc7d9448MD51081812011-10-27 09:11:42http://etheses.bham.ac.uk//id/eprint/2875/1/Decl_IS_Hurst_11_MPhil.pdf