deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 02b5f65..6d87c85 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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title = {{The Galactic Distribution of Infrared Dark Clouds}},  journal = {{ApJ}},  }  @article{Francis_2009,  doi = {10.1098/rspa.2009.0036},  url = {http://dx.doi.org/10.1098/rspa.2009.0036},  year = {2009},  month = {aug},  publisher = {The Royal Society},  volume = {465},  number = {2111},  pages = {3425--3446},  author = {C. Francis and E. Anderson},  title = {{Galactic spiral structure}},  journal = {Proceedings of the Royal Society A: Mathematical Physical and Engineering Sciences},  }