deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 5f27187..752263e 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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title = {{Accurate and simple analytic representation of the electron-gas correlation energy}},  journal = {Physical Review B},  }  @article{Troullier_1991,  doi = {10.1103/physrevb.43.1993},  url = {http://dx.doi.org/10.1103/PhysRevB.43.1993},  year = {1991},  month = {jan},  publisher = {American Physical Society ({APS})},  volume = {43},  number = {3},  pages = {1993--2006},  author = {N. Troullier and Jos{\'{e}} Luriaas Martins},  title = {{Efficient pseudopotentials for plane-wave calculations}},  journal = {Physical Review B},  }