deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index e071c44..3178cd9 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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pages = {189},  year = {2008},  publisher = {IOP Publishing},  }  @article{laycock2005constraining,  title={Constraining the nature of the galactic center X-ray source population},  author={Laycock, S and Grindlay, J and van den Berg, M and Zhao, P and Hong, J and Koenig, X and Schlegel, EM and Persson, SE},  journal={The Astrophysical Journal Letters},  volume={634},  number={1},  pages={L53},  year={2005},  publisher={IOP Publishing}  }