deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 4f88a99..149327e 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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author = {Gareth James and Daniela Witten and Trevor Hastie and Robert Tibshirani},  title = {{An Introduction to Statistical Learning}},  }  @incollection{Hastie_2009,  doi = {10.1007/978-0-387-84858-7_1},  url = {http://dx.doi.org/10.1007/978-0-387-84858-7_1},  year = {2009},  publisher = {Springer Science $\mathplus$ Business Media},  pages = {1--8},  author = {Trevor Hastie and Robert Tibshirani and Jerome Friedman},  title = {{Introduction}},  booktitle = {The Elements of Statistical Learning},  }