@Article{acp-7-3663-2007,
AUTHOR = {Vestreng, V. and Myhre, G. and Fagerli, H. and Reis, S. and Tarras\'on, L.},
TITLE = {Twenty-five years of continuous sulphur dioxide emission reduction in Europe},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {7},
YEAR = {2007},
NUMBER = {13},
PAGES = {3663--3681},
URL = {http://www.atmos-chem-phys.net/7/3663/2007/},
DOI = {10.5194/acp-7-3663-2007}
}