1. AfB (Ausschuss fr Bedarfsnormen der Gesellschaft fr Ernhrungsphysiologie )1995 Proc. Soc. Nutr. Physiol. 4 , 121 .
2. AfB (Ausschuss fr Bedarfsnormen der Gesellschaft fr Ernhrungsphysiologie )1997 Proc. Soc. Nutr. Physiol. 6 , 217 .
3. H. R. Andersen, and J. Foldager , 1986 The Nordic AAT-PBV protein evaluation system. 4. Relationship between AAT-PBV and growth in young bulls and heifers. The 37th Annual Meeting of EAAP, Budapest.
4. H. R. Andersen, and J. Foldager , 1988 Proteinbehov til ungdyr. Bilag til Statens Husdyrbrugsforsgs arsmde, 18 Maj 1988, 14, 17 .