1. AWB (Australian Wheat Board) (2006a) http://www.awb.com.au/growers/receivalstds/wheatreceivalstandards/receivalstandardsdefinitions/ . Cited 15 Nov 2006
2. AWB (Australian Wheat Board) (2006b) http://www.awb.com.au/growers/nationalpool/goldenrewardscurrentseason/ . Cited 14 Feb 2006
3. Isbister B, Forrester D, Tozer P (2006a) Management zones must be evaluated over seasons. In: L. O’Connell (ed) GRIST Manual 2006. http://www.grdc.com.au/growers/oft/oft_search/docs/wa/2006/wfbindi1.htm . Cited 16 Nov 2006
4. Isbister B, Collins S, Tozer P (2006b) Invest, vary or cull? In: Lloyd O’Connell (ed) GRIST Manual 2006. http://www.grdc.com.au/growers/oft/oft_search/docs/wa/2006/wfbindi2.htm . Cited 16 Nov 2006
5. Kutcher HR, Malhi SS, Gill SA (2005) Slope position, nitrogen fertilizer, and fungicide effects on productivity of wheat on a hummocky landscape. Agron J 97:1452–1459