deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 06d2292..87aca8b 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
...
title = {{Molecular Components of the Mammalian Circadian Clock}},  booktitle = {Circadian Clocks},  }  @article{19956762,  title = {{Quantification of circadian rhythms in single cells.}},  date = {2009 Nov},  source = {PLoS Comput Biol},  authors = {Westermark, PO and Welsh, DK and Okamura, H and Herzel, H},  author = {Westermark, PO and Welsh, DK and Okamura, H and Herzel, H},  year = {},  month = {},  journal = {PLoS Comput Biol},  volume = {5},  number = {},  pages = {e1000580},  pubmed_id = {19956762},  }