7 REFERENCES

7 REFERENCES

1. World Health Organisation (1995): Concern for Europe's tomorrow. Health and the environment in the WHO European region. WHO European Centre for Environment and Health.
2. World Health Organisation (1987): Air quality guidelines for Europe. WHO, Copenhagen, regional publications, European series No. 23.
3. Council Directive 92/72/EEC on air pollution by ozone.
4. De Leeuw, F., E. van Zantvoort: Exceedance of ozone threshold values in the European Community in 1995. Summary based on the information reported in the framework of the Council Directive 92/72/EEC on air pollution by ozone. European Topic Centre on Air Quality.
5. European Commission, (Doc.XI.D3/PP D(96)): Information document prepared by EC-DGXI/D3 to the expert group on photochemical air pollution concerning the transfer of ozone exceedance files.
6. EUROSTAT digital population database