TY - JOUR A1 - Sogacheva, L. A1 - Hamed, A. A1 - Facchini, M. C. A1 - Kulmala, M. A1 - Laaksonen, A. T1 - Relation of air mass history to nucleation events in Po Valley, Italy, using back trajectories analysis JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 6 IS - 6 SP - 11209 EP - 11246 Y1 - 2006/11/13 PB - Copernicus Publications SN - 1680-7367 UR - http://www.atmos-chem-phys-discuss.net/6/11209/2006/ L1 - http://www.atmos-chem-phys-discuss.net/6/11209/2006/acpd-6-11209-2006.pdf ER -