deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index c76833e..b84e4d2 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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publisher = {Google Patents},  note = {US Patent 4,869,261},  }  @book{holmqvist2011eye,  title = {{Eye tracking: A comprehensive guide to methods and measures}},  author = {Holmqvist, Kenneth and Nystr{\"o}m, Marcus and Andersson, Richard and Dewhurst, Richard and Jarodzka, Halszka and Van de Weijer, Joost},  year = {2011},  publisher = {OUP Oxford},  }