References
##########

.. _references:

.. [EmRe13] Emerick, A. A. and A. C. Reynolds, 2013, Ensemble smoother with
   multiple data assimilation: Computers & Geosciences, 55, 3--15; DOI:
   `10.1016/j.cageo.2012.03.011
   <https://doi.org/10.1016/j.cageo.2012.03.011>`_.