@misc{Graf2023,
  author    = {R{\"u}diger Graf},
  title     = {Energy History and Histories of Energy},
  doi       = {10.14765/zzf.dok-2616},
  url       = {https://docupedia.de/zg/Graf_energy_history_v1_en_2023},
  type      = {webpublication},
  year        = {2023},
}