1. High ozone concentrations measured in the vicinity of Toronto, Canada
2. Solar Radiation in Different Latitudes;Ashbel,1965
3. Analysis of ozone and hydrocarbon data in Tel-Aviv;Berger-Holtz,1976
4. County of Los Angeles, CA 90013, Air Quality and Meteorology, 1974 Annual Report, Vol. XIX.
5. Photochemical air pollution: weekend-weekday differences;Elkus;Atmospheric Environment,1977