@Article{acp-8-2555-2008, AUTHOR = {Macatangay, R. and Warneke, T. and Gerbig, C. and Körner, S. and Ahmadov, R. and Heimann, M. and Notholt, J.}, TITLE = {A framework for comparing remotely sensed and in-situ CO$_{2}$ concentrations}, JOURNAL = {Atmospheric Chemistry and Physics}, VOLUME = {8}, YEAR = {2008}, NUMBER = {9}, PAGES = {2555--2568}, URL = {http://www.atmos-chem-phys.net/8/2555/2008/}, ISSN = {1680-7316} }