deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 2cf52aa..9950531 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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@article{Sidery_2014,  doi = {10.1103/physrevd.89.084060},  url = {http://dx.doi.org/10.1103/PhysRevD.89.084060}, {http://dx.doi.org/10.1103/physrevd.89.084060},  year = {2014},  month = {apr},  publisher = {American Physical Society ({APS})},