Johnson, Robert M. Evaluation of paper, cotton and polyethylene film bags for packaging cornmeal / by Robert M. Johnson - Washington, D.C. : United States Government Printing Office, 1972 - ii, 14 p. ; 26 cm. - Marketing research report ; 970 . Subjects--Topical Terms: Package goods industry--United States--Statistics Dewey Class. No.: 381.45683820973021