Farm output : Past changes and projected needs
Barton, G.T., Rogers, R.O.
Farm output : Past changes and projected needs - Washington 1956 - 44 p. - No. 162; United States Depart .
631.1:338.1
Farm output : Past changes and projected needs - Washington 1956 - 44 p. - No. 162; United States Depart .
631.1:338.1