@article{Wunch_2011, title={The Total Carbon Column Observing Network}, volume={369}, ISSN={1471-2962}, url={http://dx.doi.org/10.1098/rsta.2010.0240}, DOI={10.1098/rsta.2010.0240}, number={1943}, journal={Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences}, publisher={The Royal Society}, author={Wunch, Debra and Toon, Geoffrey C. and Blavier, Jean-François L. and Washenfelder, Rebecca A. and Notholt, Justus and Connor, Brian J. and Griffith, David W. T. and Sherlock, Vanessa and Wennberg, Paul O.}, year={2011}, month=may, pages={2087–2112} }