deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 03931da..8afa181 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
...
title = {{Social Influence Bias: A Randomized Experiment}},  journal = {Science},  }  @article{Aral_2009,  doi = {10.1073/pnas.0908800106},  url = {http://dx.doi.org/10.1073/pnas.0908800106},  year = {2009},  month = {dec},  publisher = {Proceedings of the National Academy of Sciences},  volume = {106},  number = {51},  pages = {21544--21549},  author = {S. Aral and L. Muchnik and A. Sundararajan},  title = {{Distinguishing influence-based contagion from homophily-driven diffusion in dynamic networks}},  journal = {Proceedings of the National Academy of Sciences},  }