@Article{acp-8-3311-2008,
AUTHOR = {Gupta, P. and Christopher, S. A.},
TITLE = {Seven year particulate matter air quality assessment from surface and satellite measurements},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {8},
YEAR = {2008},
NUMBER = {12},
PAGES = {3311--3324},
URL = {http://www.atmos-chem-phys.net/8/3311/2008/},
DOI = {10.5194/acp-8-3311-2008}
}