Brieger, F. G. Races of maize in Brazil and other Easterm South American countries - Washington : National Academy of Sciences, 1958 - N.A.S. ; 593 . - N.A.S. ; 593 . LCCN: 24127 Subjects--Topical Terms: Maíz--América del Sur.Maíz--Variedades.Maíz--Brasil. Dewey Class. No.: 633.15 / B74