1. MiniVol Air sampler, operation manual;Airmetrics,2001
2. Climate forcing by aerosols – a hazy picture;Anderson;Science,2003
3. Applied Hydrology;Chow,1988
4. Acute respiratory effects of particulate air pollution;Dockery;Annual Review of Public Health,1994
5. Air Quality Directive 1999/30 EC of the European Parliament and of the Council of 22 April 1999 Relating to Limit Values for SO2, NO2 and NOx, Particulate Matter and Lead in Ambient Air;EC,1999