5331document3683Decl_IS_Birch_11_PhD.pdfapplication/pdfcccf9b1bdc4d3380abb6101ff40a2789MD5895002011-07-19 16:38:48http://etheses.bham.ac.uk//id/eprint/1597/3/Decl_IS_Birch_11_PhD.pdf