Bowman G, Chapman G, Murphy B, Wilson B, Jenkins B, Koen T, Gray J, Morand D, Atkinson G, Murphy C, Murrell A & Milford H (2009). Protocols for soil condition and land capability monitoring, State of NSW & Department of Environment, Climate Change and Water, Sydney, http://www.environment.nsw.gov.au/resources/soils/SoilsProtocols.pdf.