deletions | additions       diff --git a/bibliography/maser_references.bib b/bibliography/maser_references.bib  index 88aa457..293e629 100644  --- a/bibliography/maser_references.bib  +++ b/bibliography/maser_references.bib 
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title = {{{ON} {THE} {NUCLEAR} {OBSCURATION} {OF} H 2 O {MASER} {GALAXIES}}},  journal = {{ApJ}},  }  @article{Zhang_2012,  doi = {10.1051/0004-6361/201117946},  url = {http://dx.doi.org/10.1051/0004-6361/201117946},  year = {2012},  month = {feb},  publisher = {{EDP} Sciences},  volume = {538},  pages = {A152},  author = {J. S. Zhang and C. Henkel and Q. Guo and J. Wang},  title = {{Radio properties of H 2 O maser host galaxies}},  journal = {Astronomy {\&} Astrophysics},  }