category e1 Full written paper - Refereed Proceedings HERDC/ERA 2009 pt.24/12/10 page range is for the PDF at this address http://search.informit.com.au/fullText;dn=171461583131977;res=IELBUS, not it's placement in the whole book. TPP 7-12-2011. Added from dup: ResPubID17364, 1.3.13-MMM