Annexstad et al., 1987. J. Dairy Sci., 70 (4): 814-822

Annexstad, R. J.; Stern, M. D.; Otterby, D. E.; Linn, J. G.; Hansen, W. P., 1987. Extruded soybeans and corn gluten meal as supplemental protein sources for lactating dairy cattle. J. Dairy Sci., 70 (4): 814-822