Klopfenstein, 1996. Anim. Feed Sci. Technol., 60: 201-207 Document reference Klopfenstein, T. J., 1996. Distillers grains as an energy source and effect of drying on protein availability. Anim. Feed Sci. Technol., 60: 201-207Web http://www.sciencedirect.com/science/article/pii/0377840196009789Citation key Klopfenstein, 1996