The electronic appendices for this thesis are currently unavailable here due to file format issues. These files will be uploaded once the Library's new digital archive management system has been successfully implemented (date TBC). For access to this content, please consult the print version of the thesis. This can be found via Te Waharoa here: Apologies for any inconvenience caused. For further information, please contact the Systems & Integration Development team at the VUW Library. - 17/09 TN