deletions | additions       diff --git a/bibliography/maser_references.bib b/bibliography/maser_references.bib  index 79a0a79..9414f52 100644  --- a/bibliography/maser_references.bib  +++ b/bibliography/maser_references.bib 
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title = {{Statistical methods for astronomical data with upper limits. I - Univariate distributions}},  journal = {{ApJ}},  }  @article{Mangum_2008,  doi = {10.1086/524354},  url = {http://dx.doi.org/10.1086/524354},  year = {2008},  month = {feb},  publisher = {{IOP} Publishing},  volume = {673},  number = {2},  pages = {832--846},  author = {Jeffrey G. Mangum and Jeremy Darling and Karl M. Menten and Christian Henkel},  title = {{Formaldehyde Densitometry of Starburst Galaxies}},  journal = {{ApJ}},  }