1. Centre for Environmental Research Information. USEPA, 1999 Office of Research and Development. Compendium of Methods for the Determination of Inorganic Compounds in Ambient Air. Method IO-3.1. Selection, Preparation and Extraction of Filter Material.
2. Measurements of PM10 and PM2.5 particle concentrations in Athens, Greece;Chaloulakou;Atmospheric Environment,2003
3. HYSPLIT (Hybrid Single-Particle Langrangian Integrated Trajectory) Model;Draxler,2003
4. Origin of the exceedances of the European daily PM limit value in regional background areas of Spain;Escudero;Atmospheric Environment,2007
5. European Council, 1999. Air Quality Daughter Directive 1999/30/EC.