deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 52cbd96..57dca95 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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journal = {The Economist},  year = {2012},  }  @incollection{Christie_1995,  doi = {10.1007/978-3-642-79252-6_3},  url = {http://dx.doi.org/10.1007/978-3-642-79252-6_3},  year = {1995},  publisher = {Springer Berlin Heidelberg},  pages = {61--126},  author = {Alan M. Christie},  title = {{An Investigation into Process-Centered Environments}},  booktitle = {Software Process Automation},  }