"Industrial efficiency." . . . . . "Simplification in industry : report of an investigation in the United States of America made by a group appointed by the council" . "Simplification in industry : report of an investigation in the U.S.A. made by a group appointed by the Council" . . . . . . "Simplification in industry : productivity report. Report of an investigation in the United States of America made by a group appointed by the Council" . . . . "Simplification in industry"@en . "Simplification in industry report of an investigation in the United States of America made by a group appointed by the Council"@en . . . . . . . . . . . "Simplification in industry; report of an investigation in the United States of America made by a group appointed by the council" . . . .