TY - JOUR A1 - Aalto, T. A1 - Lallo, M. A1 - Hatakka, J. A1 - Laurila, T. T1 - Atmospheric hydrogen variations and traffic emissions at an urban site in Finland JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 2009 SP - 13917 EP - 13942 Y1 - 2009/06/25 PB - Copernicus Publications SN - 1680-7375 UR - https://acp.copernicus.org/preprints/9/13917/2009/ L1 - https://acp.copernicus.org/preprints/9/13917/2009/acpd-9-13917-2009.pdf DO - 10.5194/acpd-9-13917-2009 ER -