http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Center for Plant Health Science and Technology national programs
Animal and Plant Health Inspection Service.
Plant Protection and Quarantine Programs.
Center for Plant Health Science and Technology.
5 pages : color illustrations ; 23 x 10 cm.
"Issued November 2004"--P. [4] of cover.
Also available via Internet from USDA web site. Address as of 4/15/05: http://www.aphis.usda.gov/lpa/pubs/CPHST4.pdf; current access available via PURL.
Program aid (United States. Department of Agriculture) ; no. 1794