1. Nitrogen oxides;Committee on Medical and Biological Effects of Air Pollution,1977
2. Health effects of exposure to low levels of regulated air pollutants: A critical review;Ferris;J. Air Pollut. Control Assoc.,1978
3. Air quality criteria for oxides of nitrogen;Environmental Criteria and Assessment Office,1980
4. Nitrogen Oxides and Their Effects on Health,1980
5. Preliminary Assessment of Health and Welfare Effects Associated with Nitrogen Oxides for Standard Setting Purposes;Office of Air Quality Planning and Standards,1981