@inbook{van_der_Schaft_2019,
  title={{About Some System-Theoretic Properties of Port-Thermodynamic Systems}},
  ISBN={9783030269807},
  ISSN={1611-3349},
  DOI={10.1007/978-3-030-26980-7_24},
  booktitle={{Geometric Science of Information}},
  publisher={Springer International Publishing},
  author={van der Schaft, Arjan and Maschke, Bernhard},
  year={2019},
  pages={228--238}
}