deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 4a84dc3..f66cd2c 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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year = {2015},  publisher = {Taylor \& Francis},  }  @article{holweg2007genealogy,  title = {{The genealogy of lean production}},  author = {Holweg, Matthias},  journal = {Journal of operations management},  volume = {25},  number = {2},  pages = {420--437},  year = {2007},  publisher = {Elsevier},  }