Description
Item Description:Title from title screen (viewed on Nov. 21, 2006).
"May 2006."
Electronic resource.
Physical Description:vi, 58 pages : digital, PDF file.
Format:Mode of access: Internet from ERS web site. Address as of 6/19/07: http://www.ers.usda.gov/publications/ERR19/ (abstract), http://www.ers.usda.gov/publications/ERR19/ERR19.pdf (PDF version); current access available via PURL.
Bibliography:Includes bibliographical references (pages 36-38).