http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Evaluatıon of Sugar -Beet Types In Certaın Sugar -Beet Growıng Dıstrıcts
A.W.Skuderna F.R.Immer C.E. Cormany -J.G.Lıll C.A.Lewıs -H.E. Brewbaker