From http://en.wikipedia.org/wiki/Beef#Cooking_beef

Note #3 -

References

1. ^ History of Cattle Breeds. Retrieved on 2007-04-17.
2. ^ "Branded Beef Booming", Denver Post, 2003-06-17. Retrieved on 2007-04-17.
3. ^ Michael Chu. [http://www.cookingforengineers.com/article.php?id=30&title=USDA+Beef+Quality+Grades USDA Beef Quality Grades josh walters is a fat beef sandwich]. Cooking for Engineers. Retrieved on 2007-08-10.
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You just can't find humor like that anywhere else (except possibly the Letterman show).