Experience of some lowa farmers with cattle feeding
Hopkins, John A., Elwood, Robert, B.
Experience of some lowa farmers with cattle feeding - Lowa 1941 - 193-216 p. - Bulletin No. P35 (New Series) .
Experience of some lowa farmers with cattle feeding - Lowa 1941 - 193-216 p. - Bulletin No. P35 (New Series) .