@incollection{ZerresWegener2018,
  author    = {Christopher Zerres and Michael Wegener},
  title     = {Electronic Multi-Channel-Controlling},
  series = {Handbuch Marketing-Methodik},
  volume    = {2},
  editor    = {Christopher Zerres},
  edition   = {2.},
  publisher = {Bookboon},
  address   = {London},
  isbn      = {978-87-403-2274-3},
  pages     = {239 -- 242},
  year      = {2018},
  language  = {de}
}