1. Particle size-selective sampling in the workplace. Report of the ACGIH Technical Commitee on Air Sampling Procedures;ACGIH,1985
2. Test-Emissions-datenbasis der Spurenelemente As, Cd, Hg, Pb, Zn and der speziellen Organischen Verbindungen γ-HCH (Lindan), HCB, PCB und PAK für Modellrechnungen in Europa;Axenfeld,1992
3. Characterization of the air pollution in the urban area of Madrid;Climent-Font;Nucl. Instrum. Meth.,1994
4. Air pollution in different cities around the world;de Koning;Atmospheric Environment,1986
5. Differential optical absorption spectroscopy (DOAS) system for urban atmospheric pollution monitoring;Edner;Appl. Opt.,1993