Valaja, J., H. Siljander-Rasi, T. Alaviuhkola, and A. Rantanen. “Lysine Supplementation of Barley Wet distillers’ Solids Diets for Growing-Finishing Pigs”. Agricultural and Food Science, vol. 5, no. 2, Mar. 1996, pp. 157-66, doi:10.23986/afsci.72731.