deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index da3b18a..76ca227 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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year = "1916",  pages = "769-822",  }  @ARTICLE{1938AnMat..39...65E,  author = "{Einstein}, A. and {Infeld}, L. and {Hoffmann}, B.",  title = "{The Gravitational Equations and the Problem of Motion}",  journal = "Annals of Mathematics",  year = "1938",  month = "jan",  volume = "39",  pages = "65-100",  adsurl = "http://adsabs.harvard.edu/abs/1938AnMat..39...65E",  adsnote = "Provided by the SAO/NASA Astrophysics Data System",  }