Published paper is in RQF external hard drive pt.sta 22/1/09 Added: category c1 Refereed Journal Article HERDC/ERA 2008/2009 pt.18/9/10 and also added: ResPubID7376 from dup., 20.3.12-MMM. Supporting documentation added to dark upload - HD 20/7/18. -- Publisher Permission (see conditions) added to dark archive & Author Generic Permission Form added to Dark Archive 29.10.20-MMM. Permission given for article to be available only for one year 2006-2007. Lyn 17/11/2020