1. CEE Directive. Nutrition labeling of food (1990, September 24) No. 90/496.
2. Caprini di capra? Esistono ancora, malgrado;Cerutti;Il Latte,1997
3. Is there a hypocholesterolemic factor in milk and milk products?;Eichholzer;Internatl J. Vit. Nutr. Res,1993
4. Codex alimentarius, 12.24,1992
5. Report on protein quality evaluation (paper no. 51),1991