@incollection{BickenbachBecher2021,
  author    = {Christian Bickenbach and Hans Becher},
  title     = {\S 3 Begriffsbestimmungen},
  booktitle = {BImSchG : Bundes-Immissionsschutzgesetz : Kommentar},
  editor    = {Markus Appel and Martin J. Ohms and Johannes Saurer},
  isbn      = {978-3-503-18891-8},
  url       = {https://www.ESV-Campus.de/978-3-503-18891-8},
  year      = {2021},
}