http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Animal and Plant Health Inspection Service.
Plant Protection and Quarantine Programs,
1 online resource (2 unnumbered pages) : color illustrations.
GPO Cataloging Record Distribution Program (CRDP).
Pest alert (United States. Animal and Plant Health Inspection Service)