@Article{acpd-4-887-2004, AUTHOR = {Marchand, N. and Besombes, J. L. and Chevron, N. and Masclet, P. and Aymoz, G. and Jaffrezo, J. L.}, TITLE = {Polycyclic aromatic hydrocarbons in the atmosphere of two French alpine valleys: Temporal trends and examination of sources}, JOURNAL = {Atmospheric Chemistry and Physics Discussions}, VOLUME = {4}, YEAR = {2004}, NUMBER = {1}, PAGES = {887--921}, URL = {http://www.atmos-chem-phys-discuss.net/4/887/2004/}, ISSN = {1680-7367} }