deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 65ad168..e69de29 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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@ARTICLE{1948RvMP...20...35E,   author = "{Einstein}, A.",   title = "{A Generalized Theory of Gravitation}",   journal = "Reviews of Modern Physics",   year = "1948",   month = "jan",   volume = "20",   pages = "35-39",   doi = "10.1103/RevModPhys.20.35",   adsurl = "http://adsabs.harvard.edu/abs/1948RvMP...20...35E",   adsnote = "Provided by the SAO/NASA Astrophysics Data System",   }       @article{Einstein_1916,   title = "Die Grundlage der allgemeinen Relativitätstheorie",   volume = "354",   url = "http://dx.doi.org/10.1002/andp.19163540702",   doi = "10.1002/andp.19163540702",   number = "7",   journal = "Annalen der Physik",   publisher = "Wiley Blackwell (John Wiley & Sons)",   author = "Einstein, A.",   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",   }       @ARTICLE{1916AnP...354..769E,   author = "{Einstein}, A.",   title = "{Die Grundlage der allgemeinen Relativit{\a}tstheorie}",   journal = "Annalen der Physik",   year = "1916",   volume = "354",   pages = "769-822",   doi = "10.1002/andp.19163540702",   adsurl = "http://adsabs.harvard.edu/abs/1916AnP...354..769E",   adsnote = "Provided by the SAO/NASA Astrophysics Data System",   }