category c1 Refereed Journal Article HERDC/ERA 2008/2009 pt.18/9/10; no journal info for copyright and whether peer reviewed - no link found, no access to full paper for references info; checked details from Office of Research page LV 15/11/10. VUROPS file corrupted, refer to MMM 21.04.11-MMM, citation only; no link to full text available pa.17/8/11