TY - JOUR A1 - Schmid, O. A1 - Artaxo, P. A1 - Arnott, W. P. A1 - Chand, D. A1 - Gatti, L. V. A1 - Frank, G. P. A1 - Hoffer, A. A1 - Schnaiter, M. A1 - Andreae, M. O. T1 - Spectral light absorption by ambient aerosols influenced by biomass burning in the Amazon Basin – I. Comparison and field calibration of absorption measurement techniques JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 5 IS - 5 SP - 9355 EP - 9404 Y1 - 2005/09/29 PB - Copernicus Publications SN - 1680-7367 UR - http://www.atmos-chem-phys-discuss.net/5/9355/2005/ L1 - http://www.atmos-chem-phys-discuss.net/5/9355/2005/acpd-5-9355-2005.pdf ER -