Description
Item Description:Title from title screen (viewed on Jan. 15, 2009).
"June 2007."
Electronic resource.
Physical Description:iv, 28 pages : digital, PDF file.
Format:Mode of access: Internet from the USDA web site. Address as of 1/15/2009: http://www.ers.usda.gov/publications/err43/err43.pdf ; current access is available via PURL.
Bibliography:Includes bibliographical references (pages 21-28).