deletions | additions       diff --git a/bibliography/maser_references.bib b/bibliography/maser_references.bib  index d351a72..e748c33 100644  --- a/bibliography/maser_references.bib  +++ b/bibliography/maser_references.bib 
...
author = {Steven W. Stahler and Francesco Palla},  title = {{The Formation of Stars}},  }  @article{Elitzur_1990,  doi = {10.1086/185657},  url = {http://dx.doi.org/10.1086/185657},  year = {1990},  month = {feb},  publisher = {{IOP} Publishing},  volume = {350},  pages = {L17},  author = {Moshe Elitzur},  title = {{Maser line widths}},  journal = {{ApJ}},  }