deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 1b2e9bd..c70cf57 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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@misc{rhodorsilgrease,   title={Rhodorsil Oils 47 Technical information},   author={Bluestar Silicones},   year={2008},   \url{http://www.silitech.ch/upload/complement_info_fournisseur_d/32.pdf}   }  @book{degroot2012probability,  title={Probability and Statistics},  author={DeGroot, M.H. and Schervish, M.J.},