Mangelsdorf, Paul C. 1899- Corn: its origin, evolution, and improvement Paul C. Mangelsdorf. - Cambridge, Mass., Belknap Press of Harvard University Press, 1974. - xiv, 262 pages illustrations 27 cm. Bibliography: p. 245-252. ISBN: 0674171756 LCCN: 72095454 Subjects--Topical Terms: Corn. LC Class. No.: SB191.M2 / M338 Dewey Class. No.: 633/.15