TY - `BOOK` AU - Mangelsdorf, Paul C. TI - Corn : its origin, evolution and improvement PB - Belknap Pr. of Harvard Univ. Pr. CY - Cambridge, Mass. PY - 1974 LA - eng SE - XIV, 262 S. SN - 0-674-17175-6 SN - 978-0-674-17175-6 CN - 74 B 4529 AN - UBHD-1060325 ER -