@article{article, title = {{Current systematic carbon-cycle observations and the need for implementing a policy-relevant carbon observing system}}, publisher = {{Copernicus GmbH}}, url = {{}}, year = {{2014}}, month = {{7}}, author = {{Ciais P and Dolman AJ and Bombelli A and Duren R and Peregon A and Rayner PJ and Miller C and Gobron N and Kinderman G and Marland G and Gruber N et al}}, doi = {{10.5194/bg-11-3547-2014}}, volume = {{11}}, journal = {{Biogeosciences}}, issue = {{13}}, pages = {{3547-3602}}, note = {{Accessed on 2024/12/22}}}