9. Kreuzer W., Rosopolo A.: Arch. Lebensmittelhyg. 32, 181, 1984.
10. Kruijf J. M., Logtestijn J. G.: Arch. Lebensmittelhyg. 27, 176, 1976.
11. Lawrie R. A.: Nutrient Variability Due to Species and Production Practices. In Meat in Nutrition and Health, Proc. of Symposium Col. Springs, 1981.