Hanson, Haldore. Trigo en el Tercer Mundo - México, D. F. : CIMMYT, 1982 - 166 p. : ilus. - IAAS Development-oriented literature series . - IAAS Development-oriented literature series . LCCN: 73513 Subjects--Topical Terms: Trigo.Trigo--Países subdesarrollados. Dewey Class. No.: 633.11 / H3Y