@Article{acp-9-6417-2009,
AUTHOR = {Cazorla, A. and Shields, J. E. and Karr, M. E. and Olmo, F. J. and Burden, A. and Alados-Arboledas, L.},
TITLE = {Technical Note: Determination of aerosol optical properties by a calibrated sky imager},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {9},
YEAR = {2009},
NUMBER = {17},
PAGES = {6417--6427},
URL = {http://www.atmos-chem-phys.net/9/6417/2009/},
DOI = {10.5194/acp-9-6417-2009}
}