TY - JOUR A1 - Vehkamäki, H. A1 - Määttänen, A. A1 - Lauri, A. A1 - Napari, I. A1 - Kulmala, M. T1 - Technical Note: The heterogeneous Zeldovich factor JO - Atmos. Chem. Phys. J1 - ACP VL - 7 IS - 2 SP - 309 EP - 313 Y1 - 2007/01/19 PB - Copernicus Publications SN - 1680-7316 UR - http://www.atmos-chem-phys.net/7/309/2007/ L1 - http://www.atmos-chem-phys.net/7/309/2007/acp-7-309-2007.pdf ER -