1. USDA 2005 http://www.ers.usda.gov/data/foodconsumption
2. NPD 2002 www.npd.com/press/releases/press_020404.htm
3. Processed foods have moved to center stage in the competition to feed the world;Hollingsworth;Food Technol,1994
4. Brewer MS 2009 http://www.beefresearch.org/whitepapers.aspx
5. Consumer attitudes towards beef and acceptability of enhanced beef;Robbins;Meat Sci,2003