"United Nations Environmental Program, Roskilde (DK). Collaborating Centre on Energy and Environment." . . "Air quality management Economic aspects." . . "ENVIRONMENTAL POLICY." . . "ENERGY POLICY." . . "AIR POLLUTION ABATEMENT." . . . . "Greenhouse gases Measurement." . . "SOCIO-ECONOMIC FACTORS." . . "COST." . . "GREENHOUSE GASES." . . . . . . . . . . . "The indirect costs and benefits of greenhouse gas limitations : handbook reports" . . . . . . . . . . . . "The indirect costs and benefits of greenhouse gas limitations" . "Greenhouse gases Economic aspects." . . "ECONOMIC IMPACT." . . "Greenhouse gases Environmental aspects." . .