TitleEffects and control of long-range transboundary air pollution : report prepared within the framework of tne Convention on Long-Range Transboundary Air Pollution.
pt. 1. Possible impact of acid deposition on the quality of groundwater in the ECE region - pt. 2. Forest condition in Europe : 1993 survey - pt. 3. Nitrogen oxide emissions from road heavy-duty vehicles (HDV) : options for further reduction.