http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Renner pasture system for beef cattle in the blacklands of North Central Texas
E.O. Gangstad, Wm. H. Longstaff, and S.H. Whitehurst.
Bulletin (Texas Research Foundation. Hoblitzelle Agricultural Laboratory) ; 15