@Article{acp-3-623-2003, AUTHOR = {Matta, E. and Facchini, M. C. and Decesari, S. and Mircea, M. and Cavalli, F. and Fuzzi, S. and Putaud, J.-P. and Dell’Acqua, A.}, TITLE = {Mass closure on the chemical species in size-segregated atmospheric aerosol collected in an urban area of the Po Valley, Italy}, JOURNAL = {Atmospheric Chemistry and Physics}, VOLUME = {3}, YEAR = {2003}, NUMBER = {3}, PAGES = {623--637}, URL = {http://www.atmos-chem-phys.net/3/623/2003/}, ISSN = {1680-7316} }