deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index eff35b3..6059ae8 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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volume = {73},  number = {2},  pages = {515--562},  author = {Stefano Baroni and Stefano de Gironcoli and Andrea Dal Corso}, {Dal Corso}},  title = {{Phonons and related crystal properties from density-functional perturbation theory}},  journal = {Reviews of Modern Physics},  } 
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volume = {53},  number = {23},  pages = {15638--15642},  author = {Andrea Corso {Dal Corso}  and Francesco Mauri and Angel Rubio}, title = {{Density-functional theory of the nonlinear optical susceptibility: Application to cubic semiconductors}},  journal = {Physical Review B},  }