deletions | additions       diff --git a/software_specifications.txt b/software_specifications.txt  index 7dcb709..156b874 100644  --- a/software_specifications.txt  +++ b/software_specifications.txt 
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Software packages:  - netCDF Operators. 4.4.6. September 2014. netCDF Operators Project. http://sourceforge.net/projects/nco/  - Climate Data Operators. 1.5.3. 1.7.0.  October 2011. 2015.  Max Plank Institut fur Meteorologie. Hamburg, Germany. https://code.zmaw.de/projects/cdo - Python. 2.7.10. May 2015. Python Software Foundation. https://www.python.org/  - Anaconda. 2.0.1. July 2014. Continuum Analytics. Austin, Texas. http://docs.continuum.io/anaconda/  - NumPy. 1.9.2. March 1.10.1. October  2015. NumPy Developers. http://www.numpy.org/ - SciPy. 0.14.0. May 2014. 0.16.0. July 2015.  SciPy Developers. http://www.scipy.org/scipylib/index.html - xray. 0.5.1. June 2015. xray Developers. http://xray.readthedocs.org/en/stable/  - windspharm. 1.3.1. June 2014. Andrew Dawson. http://ajdawson.github.io/windspharm/  - eofs. 0.5.0. June 2014. Andrew Dawson. http://ajdawson.github.io/eofs/   - Matplotlib. 1.4.0. August 2014. matplotlib. 1.4.3. July 2015.  Matplotlib Development Team. http://matplotlib.org/ - Iris. 1.8.0. April seaborn. 0.6.0. June 2015. Michael Waskom. http://stanford.edu/~mwaskom/software/seaborn/index.html  - iris. 1.8.1. June  2015. Met Office. Exeter, England. http://scitools.org.uk/ - Cartopy. 0.10.0. January 2014. cartopy. 0.13.0. June 2015.  Met Office. Exeter, England. http://scitools.org.uk/