deletions | additions       diff --git a/bibliography/references.bib b/bibliography/references.bib  index a8786e8..3a858cb 100644  --- a/bibliography/references.bib  +++ b/bibliography/references.bib 
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title = {{Five blind men and an elephant: can {NASA} Aura measurements quantify the stratosphere-troposphere exchange of ozone flux?}},  journal = {Atmospheric Chemistry and Physics Discussions},  }  @article{Hegglin_2009,  doi = {10.1038/ngeo604},  url = {http://dx.doi.org/10.1038/ngeo604},  year = {2009},  month = {sep},  publisher = {Nature Publishing Group},  volume = {2},  number = {10},  pages = {687--691},  author = {Michaela I. Hegglin and Theodore G. Shepherd},  title = {{Large climate-induced changes in ultraviolet index and stratosphere-to-troposphere ozone flux}},  journal = {Nature Geoscience},  }