@article{Qian_2017, title={Carbon dioxide trends in the mesosphere and lower thermosphere}, volume={122}, ISSN={2169-9402}, url={http://dx.doi.org/10.1002/2016JA023825}, DOI={10.1002/2016ja023825}, number={4}, journal={Journal of Geophysical Research: Space Physics}, publisher={American Geophysical Union (AGU)}, author={Qian, Liying and Burns, Alan G. and Solomon, Stanley C. and Wang, Wenbin}, year={2017}, month=apr, pages={4474–4488} }