Description
Item Description:Title from title screen (viewed Jan. 3, 2007).
"December 2006."
Electronic resource.
Physical Description:iv, 39 pages : digital, PDF file.
Format:System requirements: Adobe Acrobat Reader.
Mode of access: Internet from the USDA web site. Address as of 7/22/2008: http://www.ers.usda.gov/publications/err34/err34.pdf ; current access is available via PURL.
Bibliography:Includes bibliographical references (pages 36-37).