A new version of the thesis was loaded on 18/11/14 --MA.  abstract updated at request of author 29/2/16 Lyn  Full-text removed from public view at request of author who revoked permission 22/6/16.  Full-text stored in IRCS secure folder, Y drive, and as dark upload on this record.  Paperwork on Libshare updated. [permission form stated 'revocable license' not 'irrevocable license' as per the standard license.]  thesis is 'not mine' in Elements.  Lyn 23/6/16