1. An evaluation of the accuracy and uniformity of the USDA beef quality and yield grading system;Cross,1980
2. Beef carcass evaluation by use of a video image analysis system;Cross;J. Anim. Sci.,1983
3. Carcass Evaluation in Livestock Breeding, Production and Marketing;Kempster,1982
4. History and purposes of beef grading;Kline,1981