@inbook{9481,
  author       = {{Rathke, Klaas}},
  booktitle    = {{Natur und Landschaft sind...  ja was? Und überhaupt: wozu?}},
  editor       = {{Riedl, Ulrich}},
  pages        = {{97--98}},
  publisher    = {{Technische Hochschule Ostwestfalen-Lippe. Sustainable Campus Höxter}},
  title        = {{{Die Kraft des Wassers}}},
  year         = {{2022}},
}

@article{6508,
  author       = {{Fettig, Joachim and Miethe, Manfred and Rathke, Klaas}},
  journal      = {{Water science and technology}},
  number       = {{2}},
  pages        = {{55 -- 59}},
  title        = {{{Four-year Undergraduate Course in Environmental Engineering in Germany}}},
  volume       = {{41}},
  year         = {{2000}},
}