1. Douglas, J.Expert predicts 2008 corn crop won’t be enough; need to ration.Purdue University News, Jan 2, 2008;www.purdue.edu/uns/x/2008a/080102HurtEthanol.html.
2. Good, D.Corn production prospects remain uncertain;Farmdoc, May 5, 2008;www.farmdoc.uiuc.edu/marketing/weekly/html/050508.html.
3. CME Group.Commodity Products—Corn;www.cmegroup.com/trading/commodities/grain-and-oilseed/corn.html.