C. Roy and W. Oberkampf.
A comprehensive framework for verification, validation and uncertainty quantification in scientific computing.
In Computer Methods in Applied Mechanics and Engineering, vol. 200, pp. 2131--2144, 2011.

Bibtex:

@Article{        roy:2011:CFVV,
  author =       {C. Roy and W. Oberkampf},
  title =        {A comprehensive framework for verification, validation
                  and uncertainty quantification in scientific
                  computing},
  journal =      {Computer Methods in Applied Mechanics and
                  Engineering},
  volume =       {200},
  pages =        {2131--2144},
  year =         {2011},
}