deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index a992144..289aca4 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
...
title = {{Classical phase transitions}},  booktitle = {Quantum Phase Transitions},  }  @book{Sachdev_2009,  doi = {10.1017/cbo9780511973765},  url = {http://dx.doi.org/10.1017/cbo9780511973765},  year = {2009},  publisher = {Cambridge University Press ({CUP})},  author = {Subir Sachdev},  title = {{Quantum Phase Transitions}},  }