deletions | additions       diff --git a/bibliography/maser_references.bib b/bibliography/maser_references.bib  index 91f5582..8e084cb 100644  --- a/bibliography/maser_references.bib  +++ b/bibliography/maser_references.bib 
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volume = {278},  number = {5699},  pages = {34--35},  author = {Dos Santos, P. M. and L{\'{e}}pine, J. R. D. }, D.},  title = {{Detection of strong H2O emission from galaxy {NGC}4945}},  journal = {Nature},  } 
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title = {{H 2O Maser Emission from the Nuclei of {NGC} 253 and M51}},  journal = {{ApJ}},  }  @PROCEEDINGS{elitzur1992_text,  title = {{Astronomical masers}},  keywords = {Astrophysics, Interstellar Masers, Background Radiation, Faraday Effect, Geometry, H Ii Regions, Hydroxyl Emission, Polarization (Waves), Population Inversion, Radiation Distribution, Radiative Transfer, Silicon Oxides, Spectral Line Width, Star Formation, Thermodynamic Equilibrium, Water Masers, Zeeman Effect},  booktitle = {Astrophysics and Space Science Library},  year = {1992},  series = {Astrophysics and Space Science Library},  volume = {170},  editor = {{Elitzur}, M.},  adsurl = {http://adsabs.harvard.edu/abs/1992ASSL..170.....E},  adsnote = {Provided by the SAO/NASA Astrophysics Data System},  }