@article{schulte2012multi,
  author       = {Schulte, Eric and Davison, Dan and Dye, Thomas and
                  Dominik, Carsten},
  title        = {A Multi-language Computing Environment for Literate
                  Programming and Reproducible Research},
  journal      = {Journal of Statistical Software},
  year         = 2012,
  volume       = 46,
  number       = 3,
  pages        = {1--24},
  publisher    = {American Statistical Association}
}