@Article{acp-12-11733-2012,
AUTHOR = {Backman, J. and Rizzo, L. V. and Hakala, J. and Nieminen, T. and Manninen, H. E. and Morais, F. and Aalto, P. P. and Siivola, E. and Carbone, S. and Hillamo, R. and Artaxo, P. and Virkkula, A. and Pet\"aj\"a, T. and Kulmala, M.},
TITLE = {On the diurnal cycle of urban aerosols, black carbon and the occurrence of new particle formation events in springtime  São Paulo, Brazil},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {12},
YEAR = {2012},
NUMBER = {23},
PAGES = {11733--11751},
URL = {http://www.atmos-chem-phys.net/12/11733/2012/},
DOI = {10.5194/acp-12-11733-2012}
}