TY - JOUR A1 - Köppe, M. A1 - Hermann, M. A1 - Brenninkmeijer, C. A. M. A1 - Heintzenberg, J. A1 - Schlager, H. A1 - Schuck, T. A1 - Slemr, F. A1 - Sprung, D. A1 - van Velthoven, P. F. J. A1 - Wiedensohler, A. A1 - Zahn, A. A1 - Ziereis, H. T1 - Origin of aerosol particles in the mid-latitude and subtropical upper troposphere and lowermost stratosphere from cluster analysis of CARIBIC data JO - Atmos. Chem. Phys. J1 - ACP VL - 9 IS - 21 SP - 8413 EP - 8430 Y1 - 2009/11/05 PB - Copernicus Publications SN - 1680-7324 UR - http://www.atmos-chem-phys.net/9/8413/2009/ L1 - http://www.atmos-chem-phys.net/9/8413/2009/acp-9-8413-2009.pdf DO - 10.5194/acp-9-8413-2009 ER -