Studies of the protein requirments of dairy cows
Woll, F.W., Humphrey, G.C.
Studies of the protein requirments of dairy cows - Madison 1910 - 1-216 p. - Dairy, Cows, Protein Wisconsin Agricultral Experiment Station. Research Bulletin No. 13 .
Studies of the protein requirments of dairy cows - Madison 1910 - 1-216 p. - Dairy, Cows, Protein Wisconsin Agricultral Experiment Station. Research Bulletin No. 13 .