deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index f34629f..d9dabc8 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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year = {2014},  url = {http://articlemetrics.github.io/MDC/},  urldate = {2015-03-31},  }  @article{Thelwall_2013,  url = {http://cybermetrics.cindoc.csic.es/articles/v17i1p1.html},  year = {2013},  publisher = {Public Library of Science ({PLoS})},  volume = {17},  number = {1},  pages = {e1001934},  author = {Mike Thelwall and Andrew Tsou and Scott Weingart and Kim Holmberg and Stefanie Haustein},  title = {{Tweeting Links to Academic Articles}},  journal = {Cybermetrics},  }