http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Ernest Bentley, Tom E. Prater and C. Richard Shumway.
Information in this fact sheet is adapted from 'Determining Optimal Replacement Age of Beef Cows in the Presence of Stocastic Elements,' Ernest Bentley, James R. Waters, and C. Richard Shumway, Southern Journal of Agricultural Economics, December 1976"."
The United States Department of Agriculture cooperating.
L (Texas Agricultural Extension Service) ; 1557