@incollection{Ernst2018,
  author    = {Stefan Ernst},
  title     = {Datenschutz-Grundverordnung, Kommentierung der Art. 1-4.},
  series = {Datenschutz-Grundverordnung Bundesdatenschutzgesetz: DS-GVO BDSG},
  editor    = {Boris P. Paal and Daniel A. Pauly},
  edition   = {2.},
  publisher = {C.H.BECK},
  address   = {M{\"u}nchen},
  isbn      = {978-3-406-71838-0},
  pages     = {897 -- 906},
  year      = {2018},
  language  = {de}
}