@Article{acpd-7-14265-2007,
AUTHOR = {J\"arvi, L. and Junninen, H. and Karppinen, A. and Hillamo, R. and Virkkula, A. and M\"akel\"a, T. and Pakkanen, T. and Kulmala, M.},
TITLE = {Black carbon concentration trends in Helsinki during 1996–2005},
JOURNAL = {Atmospheric Chemistry and Physics Discussions},
VOLUME = {7},
YEAR = {2007},
NUMBER = {5},
PAGES = {14265--14294},
URL = {http://www.atmos-chem-phys-discuss.net/7/14265/2007/},
DOI = {10.5194/acpd-7-14265-2007}
}