deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 9c630a4..b3a717c 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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title = {{The visual display of quantitative information}},  journal = {Accident Analysis {\&} Prevention},  }  @article{Tufte_1998,  doi = {10.1063/1.168637},  url = {http://dx.doi.org/10.1063/1.168637},  year = {1998},  publisher = {{AIP} Publishing},  volume = {12},  number = {2},  pages = {146},  author = {Edward R. Tufte and Susan R. McKay and Wolfgang Christian and James R. Matey},  title = {{Visual Explanations: Images and Quantities Evidence and Narrative}},  journal = {Computers in Physics},  }