@Article{acp-10-10503-2010,
AUTHOR = {Hungershoefer, K. and Breon, F.-M. and Peylin, P. and Chevallier, F. and Rayner, P. and Klonecki, A. and Houweling, S. and Marshall, J.},
TITLE = {Evaluation of various observing systems for the global monitoring of CO$_{2}$ surface fluxes},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {10},
YEAR = {2010},
NUMBER = {21},
PAGES = {10503--10520},
URL = {http://www.atmos-chem-phys.net/10/10503/2010/},
DOI = {10.5194/acp-10-10503-2010}
}