Heger et al., 1983. Anim. Feed Sci. Technol., 8: 163-176

Heger, J. ; Frydrych, Z. ; Fronek, P., 1983. Evaluation of optimum lysine and threonine supplements to a wheat and barley-based diets in rats. Anim. Feed Sci. Technol., 8: 163-176