deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 696e48d..c24c8f9 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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title = {{{THE} {EMPIRE} {SURVEY}: {SYSTEMATIC} {VARIATIONS} {IN} {THE} {DENSE} {GAS} {FRACTION} {AND} {STAR} {FORMATION} {EFFICIENCY} {FROM} {FULL}-{DISK} {MAPPING} {OF} M51}},  journal = {{ApJ}},  }  @article{Bigiel_2015,  doi = {10.1088/0004-637x/815/2/103},  url = {http://dx.doi.org/10.1088/0004-637x/815/2/103},  year = {2015},  month = {dec},  publisher = {{IOP} Publishing},  volume = {815},  number = {2},  pages = {103},  author = {F. Bigiel and A. K. Leroy and L. Blitz and A. D. Bolatto and E. da Cunha and E. Rosolowsky and K. Sandstrom and A. Usero},  title = {{{DENSE} {GAS} {FRACTION} {AND} {STAR} {FORMATION} {EFFICIENCY} {VARIATIONS} {IN} {THE} {ANTENNAE} {GALAXIES}}},  journal = {{ApJ}},  }