deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 88395e9..c1f4f9a 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
...
title = {{Multi-dimensional separation of concerns in requirements engineering}},  booktitle = {13th {IEEE} International Conference on Requirements Engineering ({RE}{\textquotesingle}05)},  }  @INPROCEEDINGS{Straw04,  author = {Greg Straw and Geri Georg and Eunjee Song and Sudipto Ghosh and Robert France and James M. Bieman},  title = {{Model Composition Directives}},  booktitle = {Proceedings of the 7th International Conference Unified Modelling Language: Modelling Languages and Applications},  year = {2004},  pages = {84--97},  publisher = {Springer},  }