deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index ce3f74a..0a35ea0 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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adsurl = {http://adsabs.harvard.edu/abs/2011MNRAS.414.1263M},  adsnote = {Provided by the SAO/NASA Astrophysics Data System},  }  @article{Andrews_2013,  doi = {10.1088/0004-637x/765/2/140},  url = {http://dx.doi.org/10.1088/0004-637x/765/2/140},  year = {2013},  month = {feb},  publisher = {{IOP} Publishing},  volume = {765},  number = {2},  pages = {140},  author = {Brett H. Andrews and Paul Martini},  title = {{{THE} {MASS}-{METALLICITY} {RELATION} {WITH} {THE} {DIRECT} {METHOD} {ON} {STACKED} {SPECTRA} {OF} {SDSS} {GALAXIES}}},  journal = {{ApJ}},  }