@Article{acpd-7-45-2007, AUTHOR = {Nissen, K. M. and Matthes, K. and Langematz, U. and Mayer, B.}, TITLE = {Towards a better representation of the solar cycle in general circulation models}, JOURNAL = {Atmospheric Chemistry and Physics Discussions}, VOLUME = {7}, YEAR = {2007}, NUMBER = {1}, PAGES = {45--64}, URL = {http://www.atmos-chem-phys-discuss.net/7/45/2007/}, ISSN = {1680-7367} }