deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 7fd19f8..6cec48f 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
...
@misc{1,  title = {http://en.wikipedia.org/wiki/Code_of_Hammurabi}, {Code of Hammurabi},  url = {http://en.wikipedia.org/wiki/Code_of_Hammurabi}  }  @misc{2,  title = {Isaac Newton},  url = {https://en.wikiquote.org/wiki/Isaac_Newton}  }  @misc{X,  title = {},  url = {}  }