Susmel et al., 1991. Livest. Prod. Sci., 27: 157-175

Susmel, P. ; Spanghero, M. ; Stefanon, B. ; Mills, C. R., 1991. Performance of lactating Simmental cows fed two diets differing in the content of digestible intestinal protein. Livest. Prod. Sci., 27: 157-175