Doggett, Hugh. Sorghum / Hugh Doggett. - 2nd edition. - Burnt Mill, Harlow, Essex, England : Longman Scientific & Technical, 1988. - 512 p. :ill. (some col.) - Tropical agriculture series . ISBN: 0470209844 (Wiley) LCCN: 88900933 Subjects--Topical Terms: Sorghum.