@book{Engels2009,
  author    = {Christoph Engels},
  title     = {Basiswissen Business Intelligence},
  publisher = {W3L-Verlag},
  address   = {Herdecke},
  isbn      = {978-3-937137-37-7},
  pages     = {VIII, 200},
  year      = {2009},
  language  = {de}
}