@misc{Kohl2007,
  author    = {Kohl, Matthias},
  title     = {Package ROptEst: Optimally robust estimation},
  url       = {https://CRAN.R-project.org/package=ROptEst},
  year      = {2007},
  abstract  = {Optimally robust estimation in general smoothly parameterized models using S4 classes and methods.},
  language  = {en}
}