deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 68c16b0..852c2ce 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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pages = {5687-92},  pubmed_id = {20212122},  }  @article{Tukker_2013,  doi = {10.1080/09535314.2012.761179},  url = {http://dx.doi.org/10.1080/09535314.2012.761179},  year = {2013},  month = {mar},  publisher = {Informa {UK} Limited},  volume = {25},  number = {1},  pages = {1--19},  author = {Arnold Tukker and Erik Dietzenbacher},  title = {{{GLOBAL} {MULTIREGIONAL} {INPUT}{\textendash}{OUTPUT} {FRAMEWORKS}: {AN} {INTRODUCTION} {AND} {OUTLOOK}}},  journal = {Economic Systems Research},  }