TY - JOUR A1 - Heintzenberg, J. A1 - Hermann, M. A1 - Theiss, D. T1 - Out of Africa: High aerosol concentrations in the upper troposphere over Africa JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 3 IS - 3 SP - 2661 EP - 2689 Y1 - 2003/05/19 PB - Copernicus Publications SN - 1680-7367 UR - http://www.atmos-chem-phys-discuss.net/3/2661/2003/ L1 - http://www.atmos-chem-phys-discuss.net/3/2661/2003/acpd-3-2661-2003.pdf ER -