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.
U.S. Dept. of Agriculture, Marketing and Regulatory Programs, Animal and Plant Health Inspection Service, Plant Protection and Quarantine.
Title from home page last updated May 19, 2003 (viewed on June 12, 2003).
System requirements: Adobe Acrobat Reader.
Mode of access: Internet from the PPQ web site. Address as of 6/12/03: http://www.aphis.usda.gov/ppq/manuals/pdf%5Ffiles/Detector%5FDog.pdf; current access is available via PURL.