deletions | additions       diff --git a/bibliography/references.bib b/bibliography/references.bib  index 479f0b6..4bb7ccc 100644  --- a/bibliography/references.bib  +++ b/bibliography/references.bib 
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url = {{http://www.R-project.org/}},  }  @article{21041393,  title = {{Processing sleep data created with the Drosophila Activity Monitoring (DAM) System.}},  date = {2010 Nov 1},  source = {Cold Spring Harb Protoc},  authors = {Pfeiffenberger, C and Lear, BC and Keegan, KP and Allada, R},  author = {Pfeiffenberger, C and Lear, BC and Keegan, KP and Allada, R},  year = {2010},  month = {Nov},  journal = {Cold Spring Harb Protoc},  volume = {2010},  number = {},  pages = {pdb.prot5520},  pubmed_id = {21041393},  }