1. Sulphur dioxide — to what level is it acceptable?;Brasser;Report G 300 Research Institute for Public Health Eng.,1967
2. The duration of high SO2 concentration in an urban atmosphere;Drufuca;Atmospheric Environment,1977
3. Maximum ground-level concentration and sampling time;Hino;Atmospheric Environment,1968
4. A new mathematical model of air pollution concentration averaging time and frequency;Larsen;J. Air Pollut. Control Ass.,1969
5. Relationship between concentrations of atmospheric pollutants and averaging time;McGuire;Atmospheric Environment,1971