deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index dae775d..7b88063 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
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pages = {626--632},  publisher = {MIT Press},  }  @Article{pcaMethods,  title = {{pcaMethods -- a Bioconductor package providing PCA methods for incomplete data}},  author = {Wolfram Stacklies and Henning Redestig and Matthias Scholz and Dirk Walther and Joachim Selbig},  journal = {Bioinformatics},  year = {2007},  pages = {1164--1167},  volume = {{23}},  }