Iowa RFA, 2011. Iowa RFA, Ethanol co-products Document reference Iowa Renewable Fuels Association, 2011. Co-Products of the Wet Milling Industry. Iowa RFA, Ethanol co-productsWeb http://www.iowarfa.org/ethanol_coproducts.php#WetMillingCitation key Iowa RFA, 2011Datasheets Corn gluten feedCorn gluten meal
