Price differentials for complete, feeds, supplements and shelled corn
Nelson, P.E.
Price differentials for complete, feeds, supplements and shelled corn - Washington 1971 - 33 p. - No. 198; United States Departm .
633.15:338.5
Price differentials for complete, feeds, supplements and shelled corn - Washington 1971 - 33 p. - No. 198; United States Departm .
633.15:338.5