deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 5cd2b49..47760d8 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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pages = {146--152},  year = {2002},  }  @article{Sommerville_2016,  doi = {10.1109/ms.2016.43},  url = {http://dx.doi.org/10.1109/ms.2016.43},  year = {2016},  month = {mar},  publisher = {Institute of Electrical {\&} Electronics Engineers ({IEEE})},  volume = {33},  number = {2},  pages = {90--92},  author = {Ian Sommerville},  title = {{{IEEE} Software and Professional Development}},  journal = {{IEEE} Softw.},  }