There's no shortage of stuff written about it - even in Australia
NSW: http://shac.squat.net/book8.html or http://www.legalanswers.sl.nsw.gov.au/guides/tenants_rights_manual/other_tenants/squatters.html
Vic: http://melbournecio.org/?page_id=15
Maybe underemployed bourgeois law...
