1. Couch, J. R., B. L. Reid, A. A. Camp, W. N. Dannenburg and E. E. Rozacky, 1955. Distillers dried solubles in the diets of chicks. Proc. 10th Distillers Feed Conf. pp. 47-57.
2. Evidence for an unidentified mineral required by the chick;Morrison;Poultry Sci.,1955
3. Norris, L. C., 1955. Recent progress on unidentified growth factors in distillers dried solubles and other feed supplements. Proc. 10th Distillers Feed Conf. pp. 39-42.