http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Profile of the agricultural crop production industry
Agricultural crop production industry, Sector Notebook Project
EPA Office of Compliance Sector Notebook Project.
Also available via Internet from the EPA web site (PDF version). Address as of 7/3/01: http://es.epa.gov/oeca/sector/sectornote/pdf/agcrop.pdf; current access is available via PURL.
Includes bibliographical references (pages 170-173).