References and Further Reading
Sourdough at Wikipedia: http://en.wikipedia.org/wiki/Sourdough
Australian Sourdough supplies and Info: http://www.sourdough.com.au
Artisan Baker network Australia/New Zealand: http://artisanbaker.com.au/
Sonoma: http://www.sonoma.com.au/
Moorooduc Estate: http://www.moorooduc-estate.com.au/