1. A user's guide to SAS–76;Barr,1976
2. Use body weights to improve your income;Bell;Poultry Trib.,1978
3. Bell, D., and R. Ernst, 1981. Realistic flock uniformity guidelines. California Poultry Letter, May, Coop. Ext. Univ. California, Davis, CA.
4. Test shows importance of pullet body weight;Cunningham;Poultry Dig.,1980
5. Reproductive performance of broiler breeders maintained in cages or on floors through 59 weeks of age;Fuquay;Poultry Sci.,1980