Report of the nineteenth session of the Joint FAO/WHO Codex Alimenta rius Commission, Rome, 1-10 July 1991. - Rome : Food and Agriculture Organization of the United Nations, 1991. - xi, 112 p. ; 30 cm. Joint FAO/WHO Codex Alimentarius Commission. ISBN: 9251030898 Subjects--Topical Terms: Food -- Standards -- Congresses.