deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index a500000..6df0d0f 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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title = {{Galaxy pairs in the Sloan Digital Sky Survey - {IV}. Interactions trigger active galactic nuclei}},  journal = {Monthly Notices of the Royal Astronomical Society},  }  @article{Volonteri_2003,  doi = {10.1086/344675},  url = {http://dx.doi.org/10.1086/344675},  year = {2003},  month = {jan},  publisher = {{IOP} Publishing},  volume = {582},  number = {2},  pages = {559--573},  author = {Marta Volonteri and Francesco Haardt and Piero Madau},  title = {{The Assembly and Merging History of Supermassive Black Holes in Hierarchical Models of Galaxy Formation}},  journal = {{ApJ}},  }