Includes bibliographical references (pages 28-33).
Also available via Internet from the ERS Web site (PDF file only). Address as of 7-23-01: http://www.ers.usda.gov/publications/aer799/aer799.pdf.; current access is available via PURL.
Microfiche. [Washington, D.C.] : Supt. of Docs., U.S. G.P.O., 2001 1 microfiche : negative.