TY - JOUR A1 - Schaap, M. A1 - Apituley, A. A1 - Timmermans, R. M. A. A1 - Koelemeijer, R. B. A. A1 - de Leeuw, G. T1 - Exploring the relation between aerosol optical depth and PM2.5 at Cabauw, the Netherlands JO - Atmos. Chem. Phys. J1 - ACP VL - 9 IS - 3 SP - 909 EP - 925 Y1 - 2009/02/05 PB - Copernicus Publications SN - 1680-7324 UR - http://www.atmos-chem-phys.net/9/909/2009/ L1 - http://www.atmos-chem-phys.net/9/909/2009/acp-9-909-2009.pdf DO - 10.5194/acp-9-909-2009 ER -