Regulatory restrictions on vertical integration and control [electronic resource] : the competitive impact of gasoline divorcement policies / Michael G. Vita.
Imprint
Washington, D.C. : Bureau of Economics, Federal Trade Commission, [1999]
Mode of access: Internet from the FTC web site. Address as of 3/1/07: http://www.ftc.gov/be/workpapers/divorcement.pdf; current access available via PURL.