@book{Kohl2015,
  author    = {Kohl, Matthias},
  title     = {Introduction to statistical data analysis with R},
  isbn      = {978-87-403-1123-5},
  url       = {https://bookboon.com/de/introduction-to-statistical-data-analysis-with-r-ebook},
  pages     = {228},
  year      = {2015},
  language  = {de}
}