deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 0453fbd..ab1c080 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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volume = {71},  number = {9},  author = {J. M. Pruneda and Emilio Artacho},  title = {{Energetics of intrinsic point defects in Zr Si O 4}}, O{_4}}},  journal = {Phys. Rev. B},  }