TY - JOUR A1 - Saarikoski, S. A1 - Timonen, H. A1 - Saarnio, K. A1 - Aurela, M. A1 - Järvi, L. A1 - Keronen, P. A1 - Kerminen, V.-M. A1 - Hillamo, R. T1 - Sources of organic carbon in PM1 in Helsinki urban air JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 2008 SP - 7805 EP - 7846 Y1 - 2008/04/21 PB - Copernicus Publications SN - 1680-7375 UR - https://acp.copernicus.org/preprints/8/7805/2008/ L1 - https://acp.copernicus.org/preprints/8/7805/2008/acpd-8-7805-2008.pdf DO - 10.5194/acpd-8-7805-2008 ER -