http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Food and Agriculture Organization of the United Nations
554p. : plates, tab., fig., bib.:Bölüm sonlarında
B.C. Curtis, S.Rajaram, H.Gomez Macpherson.
FAO Plant Production and Protection Series 30