category e1 Full written paper- Refereed Proceedings, author - Peter Sanciolo signed VUIR pt.20/7/12. Changed to Conference Item from Book Sec. Verified as paper at: https://research.unsw.edu.au/people/professor-gregory-lawrence-leslie/publications Left status and date type alone -MA 22/5/13. Verified from VUROPS 11/6/13 Lyn