deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index e13e47c..afb5ef1 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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title = {{Efficiency and robustness of different bus network designs}},  journal = {Int. J. Mod. Phys. C},  }  @article{Foletta_2010,  doi = {10.5038/2375-0901.13.2.4},  url = {http://dx.doi.org/10.5038/2375-0901.13.2.4},  year = {2010},  month = {jun},  publisher = {University of South Florida Libraries},  volume = {13},  number = {2},  pages = {71--91},  author = {Nicole Foletta and Miquel Estrada and Mireia Roca-Riu and Pere Mart{\'{\i}}},  title = {{Effect of Variable Bus Speeds on Bus Network Design}},  journal = {Journal of Public Transportation},  }