Ruuskanen, J; Tuch, T; Ten Brink, H; Peters, A; Khlystov, A; Mirme, A; Kos, GPA; Brunekreef, B; Wichmann, HE; Buzorius, G; Vallius, M; Kreyling, WG; Pekkanen, J
(2001)
Total number concentrations, number concentrations of ultrafine (0.01-0.1 mum) and accumulation (0.1-0.5 mum) particles, as well as mass concentration of PM2.5 particles and blackness of PM2.5 filters, which is related to ...