@Article{acp-8-1017-2008, AUTHOR = {Järvi, L. and Junninen, H. and Karppinen, A. and Hillamo, R. and Virkkula, A. and Mäkelä, T. and Pakkanen, T. and Kulmala, M.}, TITLE = {Temporal variations in black carbon concentrations with different time scales in Helsinki during 1996–2005}, JOURNAL = {Atmospheric Chemistry and Physics}, VOLUME = {8}, YEAR = {2008}, NUMBER = {4}, PAGES = {1017--1027}, URL = {http://www.atmos-chem-phys.net/8/1017/2008/}, ISSN = {1680-7316} }