deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 4cb6af9..134a9a8 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
...
@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{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{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",  }