deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 4a36421..cea19b3 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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}  @article{Beisken_2013,  doi = {10.1186/1471-2105-14-257},  url = {http://dx.doi.org/10.1186/1471-2105-14-257}, 
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title = {{{McVol} - A program for calculating protein volumes and identifying cavities by a Monte Carlo algorithm}},  journal = {Journal of Molecular Modeling},  }  @article{pybel,  doi = {10.1186/1752-153x-2-5},  url = {http://dx.doi.org/10.1186/1752-153X-2-5},  year = {2008},  publisher = {Springer Science $\mathplus$ Business Media},  volume = {2},  number = {1},  pages = {5},  author = {Noel M O{\textquotesingle}Boyle and Chris Morley and Geoffrey R Hutchison},  title = {{Pybel: a Python wrapper for the {OpenBabel} cheminformatics toolkit}},  journal = {Chemistry Central Journal},  }