Economic models for cotton ginning
Looney, Z.M., Wilmot, C.A.
Economic models for cotton ginning - Washington 1972 - 48 p. - No. 214; United States Departm .
677.2.028.21
Economic models for cotton ginning - Washington 1972 - 48 p. - No. 214; United States Departm .
677.2.028.21