@Article{acpd-4-1691-2004, AUTHOR = {Hoor, P. and Gurk, C. and Brunner, D. and Hegglin, M. I. and Wernli, H. and Fischer, H.}, TITLE = {Seasonality and extent of extratropical TST derived from in-situ CO measurements during SPURT}, JOURNAL = {Atmospheric Chemistry and Physics Discussions}, VOLUME = {4}, YEAR = {2004}, NUMBER = {2}, PAGES = {1691--1726}, URL = {http://www.atmos-chem-phys-discuss.net/4/1691/2004/}, ISSN = {1680-7367} }