Characterization and intercomparison of aerosol absorption photometers: result of two intercomparison workshops

T. Müller, J.S Henzing, G de Leeuw, A Wiedensohler, A Alastuey, H Angelov, M Bizjak, M. Collaud Coen, J.E. Engström, C Gruening, R Hillamo, A Hoffer, K Imre, P Ivanow, G Jennings, JY Sun, N Kalivitis, H Karlsson, M Komppula, P Laj, SM Li, Chris Rene Lunder, A Marinoni, SM dos Santos, M Moerman, A Nowak, JA Ogren, A Petzold, JM Pichon, S Rodriquez, S Sharma, PJ Sheridan, K Teinila, T Tuch, M Viana, A Virkkula, E Weingartner, R Wilhelm, YQ Wang