deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 64905be..a55558b 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
...
title = {{Visual Explanations: Images and Quantities Evidence and Narrative}},  journal = {Leonardo},  }  @article{Tufte_1975,  doi = {10.2307/2110727},  url = {http://dx.doi.org/10.2307/2110727},  year = {1975},  month = {nov},  publisher = {{JSTOR}},  volume = {19},  number = {4},  pages = {783},  author = {Edward R. Tufte},  title = {{Electronic Calculators and Data Analysis: A Consumer{\textquotesingle}s Report on the {SR}-51 {HP}-21, {HP}-55, and {HP}-65}},  journal = {American Journal of Political Science},  }