Hill, Lowell D. Grain grades and standards : historical issues shaping the future /by Lowell D. Hill - Chicago, Ill. : University of Illinois, 1990. - 423 p. : ilus. ISBN: 025201670X LCCN: 84888 Subjects--Topical Terms: Cereales--Calidad.Cereales--Mercadeo--EUA. Dewey Class. No.: 633.1 / H63