TY - JOUR A1 - Ström, J. A1 - Seifert, M. A1 - Kärcher, B. A1 - Ovarlez, J. A1 - Minikin, A. A1 - Gayet, J.-F. A1 - Krejci, R. A1 - Petzold, A. A1 - Auriol, F. A1 - Haag, W. A1 - Busen, R. A1 - Schumann, U. A1 - Hansson, H. C. T1 - Cirrus cloud occurrence as function of ambient relative humidity: a comparison of observations obtained during the INCA experiment JO - Atmos. Chem. Phys. J1 - ACP VL - 3 IS - 5 SP - 1807 EP - 1816 Y1 - 2003/10/27 PB - Copernicus Publications SN - 1680-7324 UR - http://www.atmos-chem-phys.net/3/1807/2003/ L1 - http://www.atmos-chem-phys.net/3/1807/2003/acp-3-1807-2003.pdf DO - 10.5194/acp-3-1807-2003 ER -