http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Small scale United States cow calf operations
National Animal Health Monitoring System (U.S.)
Animal and Plant Health Inspection Service.
1 online resource (iv, 20 pages) : color illustrations
Title from title screen (viewed July 18, 2011).
Includes bibliographical references (pages 19-20).