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

Document reference 
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
Citation key 
Heger et al., 1983