deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index fcb46aa..7c4d7b8 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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title = {{Survival and breeding of polar bears in the southern Beaufort Sea in relation to sea ice}},  journal = {Journal of Animal Ecology},  }  @article{Barbraud_2006,  doi = {10.1073/pnas.0510397103},  url = {http://dx.doi.org/10.1073/pnas.0510397103},  year = {2006},  month = {apr},  publisher = {Proceedings of the National Academy of Sciences},  volume = {103},  number = {16},  pages = {6248--6251},  author = {C. Barbraud and H. Weimerskirch},  title = {{Antarctic birds breed later in response to climate change}},  journal = {Proceedings of the National Academy of Sciences},  }