@misc{KunWinWesWilKeeEngCoo13,
 author={Max Kun and Jed Wing and Steve Weston and Andre Williams and Chris Keefer and Allan Engelhardt and Tony Cooper},
 title={r-cran-caret},
 year={2013},
 note={\url{http://mloss-static.ml.tu-berlin.de/software/view/91/}}
}