Debarking is a Last Resort for Nuisance Dogs
http://www.dpc.vic.gov.au/domino/web_notes/pressrel.nsf/f256273dd79280564a2562050034c33c/9b19c64ca28
Overview of Australian legislation designed to prevent indiscriminate debarking.
Pet Connection: What To Do About a Barking Dog
An article by Gina Spadafori explaining why dogs bark and solutions, including debarking.