deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 0e4a61c..4f7f9c7 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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}  @article{  author={Friedlingstein,P. @article{Fierer_2012,  title = {{Cross-biome metagenomic analyses of soil microbial communities  and Cox,P. their functional attributes}},  volume = {109},  issn = {1091-6490},  url = {http://dx.doi.org/10.1073/pnas.1215210110},  doi = {10.1073/pnas.1215210110},  number = {52},  journal = {Proceedings of the National Academy of Sciences},  publisher = {Proceedings of the National Academy of Sciences},  author = {Fierer N.  and Betts,R. Leff, J. W.  and Bopp,L. Adams, B. J.  and al,et},  year={2006},  month={Jul 15},  title={Climate-Carbon Cycle Feedback Analysis: Results from the C^sup 4^MIP Model Intercomparison},  journal={Journal of Climate},  volume={19},  number={14},  pages={3337-3338,3340-3353} Nielsen, U. N. and Bates, S. T. and Lauber, C. L. and Owens, S. and Gilbert, J. A. and Wall, D. H. and Caporaso, J. G.},  year = {2012},  month = {Dec},  pages = {21390–21395},  }