deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 93f22d2..7b8a06a 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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}  @article{O_Connell_2011, @article{O'Connell_2011,  doi = {10.1002/cne.22735},  url = {http://dx.doi.org/10.1002/cne.22735},  year = {2011},