deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 771061a..bfc2a6e 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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year = {2000},  publisher = {Am Coll Cardio Found},  }  @book{duchowski2007eye,  title = {{Eye tracking methodology: Theory and practice}},  author = {Duchowski, Andrew},  volume = {373},  year = {2007},  publisher = {Springer Science \& Business Media},  }