deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index b278062..425b8a5 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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title = {{The impact of social segregation on human mobility in developing and industrialized regions}},  journal = {{EPJ} Data Sci.},  }  @article{Onnela_2011,  doi = {10.1371/journal.pone.0016939},  url = {http://dx.doi.org/10.1371/journal.pone.0016939},  year = {2011},  month = {apr},  publisher = {Public Library of Science ({PLoS})},  volume = {6},  number = {4},  pages = {e16939},  author = {Jukka-Pekka Onnela and Samuel Arbesman and Marta C. Gonz{\'{a}}lez and Albert-L{\'{a}}szl{\'{o}} Barab{\'{a}}si and Nicholas A. Christakis},  editor = {Matjaz Perc},  title = {{Geographic Constraints on Social Network Groups}},  journal = {{PLoS} {ONE}},  }