deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index e29ef95..d6b3f0c 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
...
}  @manual{, @manual{R,  title = {R: A Language and Environment for Statistical Computing},  author = {{R Core Team}},  organization = {R Foundation for Statistical Computing},