@Article{acp-6-3443-2006,
AUTHOR = {Schmid, O. and Artaxo, P. and Arnott, W. P. and Chand, D. and Gatti, L. V. and Frank, G. P. and Hoffer, A. and Schnaiter, M. and Andreae, M. O.},
TITLE = {Spectral light absorption by ambient aerosols influenced by biomass burning  in the Amazon Basin. I: Comparison and field calibration of absorption measurement techniques},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {6},
YEAR = {2006},
NUMBER = {11},
PAGES = {3443--3462},
URL = {https://acp.copernicus.org/articles/6/3443/2006/},
DOI = {10.5194/acp-6-3443-2006}
}