Large milking operation in Wisconsin
Rades, R.J., Pulver, G.C.
Large milking operation in Wisconsin - Madison 1962 - 1-18 p. - Milking Wisconsin Agricultural Experiment Station. Bulletin No. 556 .
Large milking operation in Wisconsin - Madison 1962 - 1-18 p. - Milking Wisconsin Agricultural Experiment Station. Bulletin No. 556 .