deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index f8ca717..fd37f5a 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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title = {{Galactic spiral structure}},  journal = {Proceedings of the Royal Society A: Mathematical Physical and Engineering Sciences},  }  @article{Dobbs_2012,  doi = {10.1111/j.1365-2966.2012.20515.x},  url = {http://dx.doi.org/10.1111/j.1365-2966.2012.20515.x},  year = {2012},  month = {mar},  publisher = {Oxford University Press ({OUP})},  volume = {421},  number = {4},  pages = {2940--2946},  author = {C. L. Dobbs and A. Burkert},  title = {{The myth of the molecular ring}},  journal = {Monthly Notices of the Royal Astronomical Society},  }