Title from title screen (viewed on Aug. 7, 2008). "Plant Protection and Quarantine." "December 2002."
Technical Details:
Mode of access: Internet at the U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service web site. Address as of 8/7/08: http://www.aphis.usda.gov/publications/plant%5Fhealth/content/printable%5Fversion/fs%5Fphglassy.pdf; current access available via PURL.