1. AAABG 2006. AAABG Genetic Parameters. Association for the Advancement of Animal Breeding and Genetics.http://www.gparm.csiro.au/index.html Accessed June 28, 2006.
2. American Angus Association 2006. Angus $Values.http://www.an-gus.org/sireeval/valueindex.html Accessed June 28, 2006.
3. American Simmental Association 2006. Part II: Introducing the Economic Selection Index.http://www.simmental.org/userim-ages/ASAGeneticEvaluationII.pdf. Accessed June 28, 2006.
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