@Article{acp-5-2419-2005, AUTHOR = {Sussmann, R. and Stremme, W. and Buchwitz, M. and de Beek, R.}, TITLE = {Validation of ENVISAT/SCIAMACHY columnar methane by solar FTIR spectrometry at the Ground-Truthing Station Zugspitze}, JOURNAL = {Atmospheric Chemistry and Physics}, VOLUME = {5}, YEAR = {2005}, NUMBER = {9}, PAGES = {2419--2429}, URL = {http://www.atmos-chem-phys.net/5/2419/2005/}, DOI = {10.5194/acp-5-2419-2005} }