http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
CENTO seminar on the impact of modern developments in fertilizer : production, use, storage, marketing, legislation : held in Ankara, September 8-12, 1975
A CENTO seminar on the impact of modern developments in fertilizer (1975 : Ankara)
Gübre endüstrisi -- Türkiye -- Kongreler