Title from title screen (viewed on Aug. 11, 2008)., "Plant Protection and Quarantine.", and "June 2002."
Mode of access: Internet at the U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service web site. Address as of 8/11/08: http://www.aphis.usda.gov/publications/plant%5Fhealth/content/printable%5Fversion/fs%5Fphfist.pdf; current access available via PURL.