Description
Item Description:Cover title.
"June 2005."--P. [i].
Physical Description:v, 52 pages : illustrations ; 28 cm.
Also available on the World Wide Web. Address as of 4/13/06: http://www.ers.usda.gov/publications/ERR5/ (abstract), http://www.ers.usda.gov/publications/err5/err5.pdf (PDF version); current access available via PURL.
Bibliography:Includes bibliographical references (pages 44-48).