1. Brouwer , R. 2009 Multi-attribute choice modelling of Australia's rivers and wetlands: A meta-analysis of ten years of research http://www.csiro.au/files/files/poyq.pdf
2. Commonwealth Environmental Water Office (CEWO) 2011 Commonwealth environmental water - trading arrangements. Discussion Paper http://www.environment.gov.au/ewater/publications/pubs/trading-discussion-paper.pdf
3. Commonwealth Environmental Water Office (CEWO) 2012 Environmental water delivery: Namoi River http://www.environment.gov.au/ewater/publications/ewater-delivery-namoi-river.html
4. Commonwealth Environmental Water Office (CEWO) 2013 http://www.environment.gov.au/ewater/about/index.html#water-holdings