@Article{acpd-11-28545-2011,
AUTHOR = {Zerefos, C. S. and Tourpali, K. and Eleftheratos, K. and Kazadzis, S. and Meleti, C. and Feister, U. and Koskela, T. and Heikkil\"a, A.},
TITLE = {Evidence of a possible turning point of UVB increase over Canada, Europe and Japan},
JOURNAL = {Atmospheric Chemistry and Physics Discussions},
VOLUME = {11},
YEAR = {2011},
NUMBER = {10},
PAGES = {28545--28561},
URL = {http://www.atmos-chem-phys-discuss.net/11/28545/2011/},
DOI = {10.5194/acpd-11-28545-2011}
}