References
==============

.. [Barrick2009a] Barrick et al. (2009) Genome evolution and adaptation in a long-term experiment with *Escherichia coli*. *Nature* **461**:1243-1247.
.. [Barrick2009b] Barrick and Lenski. (2009) Genome-wide mutational diversity in an evolving population of *Escherichia coli*. *Cold Spring Harb. Symp. Quant. Biol.* **74**:119-129.  
.. [McKenna2010]  McKenna et al. (2010) The Genome Analysis Toolkit: A MapReduce framework for analyzing next-generation DNA sequencing data. *Genome Research*  **20**:1297-1303.