SAE AUSTRALASIA Volume 59 Issue 4 Issue 3 Issue 2 Issue 1 Volume 58 Issue 6 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1 Volume 57 Issue 6 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1 Volume 56 Issue sup Issue 6 Issue 5 Issue 4 Issue 3 Issue 2 Issue 1