The Total Carbon Column Observing Network Wunch, D. ; Toon, G. C. ; Blavier, J. -F. L. ; Washenfelder, R. A. ; Notholt, J. ; Connor, B. J. ; Griffith, D. W. T. ; Sherlock, V. ; Wennberg, P. O. Abstract Publication: Philosophical Transactions of the Royal Society of London Series A Pub Date: May 2011 DOI: 10.1098/rsta.2010.0240 Bibcode: 2011RSPTA.369.2087W