Results of co-operative hybrid maize tests in European and mediterranean countries, 1952 - Rome : FAO, 1954 - 179 p. - FAO. Cuadernos de fomento ; 42 . - FAO. Cuadernos de fomento ; 42 . LCCN: 46857 Subjects--Topical Terms: Maíz--Híbridos. Dewey Class. No.: 633.15 / F3 1952