deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 89f2b7e..f1ca362 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
...
year = {2008},  publisher = {Emerald Group Publishing Limited},  }  @book{hirano19975s,  title = {{5S para todos: 5 pilares de las f{\'a}bricas visuales}},  author = {Hirano, Hiroyuki},  year = {1997},  publisher = {TGP Hosin},  }