http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Economic analysis of Environmental problems
A Conference of the Universities-National Bureau. Committee for Economic Research and Resources for the Future, Inc
Universities--National Bureau Committee for Economic Research
Papers and comments from the conference held at the University of Chicago, Nov. 10-11, 1972.
Conference report (Universities--National Bureau Committee for Economic Research) ; 26