deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index f6a1c79..86625f3 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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}  @article{Thelwall_2013_b, @article{Thelwall_2013,  url = {http://cybermetrics.cindoc.csic.es/articles/v17i1p1.html},  year = {2013},  publisher = {Centro de Informacion y Documentaci{\'o}n Cient{\'\i}fica (CINDOC)},