A European aerosol phenomenology-2: chemical characteristics of particulate matter at kerbside, urban, rural and background sites in Europe.

Brüggemann, E.; Decesari, S.; Facchini, M.C.; Fuzzi, S.; Gehrig, R.; Huglin, C.; Laj, P.; Lorbeer, G.; Maenhaut, W.; Mihalopoulos, N.; Müller, K.; Putaud, J.P.; Querol, X.; Raes, F.; Rodriguez, S.; Schneider, J.; Spindler, G.; Tørseth, K.; Van Dingenen, R.; Wiedensohler, A.; ten Brink, H.