@Article{cp-12-439-2016,
AUTHOR = {Steinthorsdottir, M. and Porter, A. S. and Holohan, A. and Kunzmann, L. and Collinson, M. and McElwain, J. C.},
TITLE = {Fossil plant stomata indicate decreasing atmospheric CO$_{2}$ \hack{\newline} prior to the Eocene--Oligocene boundary},
JOURNAL = {Climate of the Past},
VOLUME = {12},
YEAR = {2016},
NUMBER = {2},
PAGES = {439--454},
URL = {https://cp.copernicus.org/articles/12/439/2016/},
DOI = {10.5194/cp-12-439-2016}
}