http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
summary of research and demonstration about the use of crabgrass as a forage
"Originally prepared for the XIV International Grassland Congress held in Lexington, Kentucky during June 14 to 24, 1981"--Pref.
Includes bibliographical references (page 13).
Pub. / Agricultural Division, Noble Foundation ; no. CG-83