Leonhardt, Sven2024-01-182024-01-182024978-3-11-077754-3978-3-11-077756-7978-3-11-077763-53-11-077754-1https://publica.fraunhofer.de/handle/publica/45897910.1515/9783110777567enInnovations and challenges of the energy transition in smart city districts