http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Papers presented at a conference held in Lenox, Mass. in the fall of 1981, and organized by the National Bureau of Economic Research.
Electronic reproduction. Palo Alto, Calif. : ebrary, 2013. Available via World Wide Web. Access may be limited to ebrary affiliated libraries.
National Bureau of Economic Research conference report