Combs et al., 1963. J. Anim. Sci., 22 (2): 396-398

Combs, G. E. ; Osegueda, F. L. ; Wallace, H. D. ; Ammerman, C. B., 1963. Digestibility of rations containing different sources of supplementary protein by young pigs. J. Anim. Sci., 22 (2): 396-398