deletions | additions       diff --git a/bibliography/maser_references.bib b/bibliography/maser_references.bib  index af966fa..79a0a79 100644  --- a/bibliography/maser_references.bib  +++ b/bibliography/maser_references.bib 
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adsurl = {http://adsabs.harvard.edu/abs/1997MNRAS.287..799I},  adsnote = {Provided by the SAO/NASA Astrophysics Data System},  }  @article{Feigelson_1985,  doi = {10.1086/163225},  url = {http://dx.doi.org/10.1086/163225},  year = {1985},  month = {jun},  publisher = {{IOP} Publishing},  volume = {293},  pages = {192},  author = {E. D. Feigelson and P. I. Nelson},  title = {{Statistical methods for astronomical data with upper limits. I - Univariate distributions}},  journal = {{ApJ}},  }